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Psychological Statistics is the application of statistical methods in the field of psychology for the analysis of data and interpretation of results.
All are properties of a regression line except ____________________.
The researcher is trying to find out the effects of stress on heart beats per minute. The dependent variable is ____________.
A pooled variances test is used to know the variance of two groups that are assumed to be alike.
The mean of 15,17,19 and 20 is 17.5.
In a univariate study, a researcher looks at _____ variable/s in different scenarios
An identified representative group or subset of the whole is called a ______________.
What is the median of the given data?
An alternative hypothesis for 2 independent population means is __________.
A group of researchers tested the before and after effects of television on a group of 25 children. To test the hypothesis we use the data _______________.
Depending on the alternative hypothesis, the answer when comparing means can be a one tailed graph.
Compute for the percentage and proportion. Type the answer on the space provided. 3 balls out of 10
ANOVA calculates for the __________________.
Out of 1040 students, 654 students passed the exam. What is the percentage of passing?
Rejecting the null hypothesis means that there is a difference in the variables of the study.
A researcher is studying the effect of energy drinks on sports performance in young male adults. Choose the correct hypothesis.
Qualitative variables are assigned names to certain objects or characteristics of a study.
Use the data set given below to solve for the Variance. Data Set: 76 80 56 63 45 88 75 89 86 58
The degrees of freedom for a sample size of 501 is _________________.
This method of statistics infers or generalizes obtained data from the sample size to the population.
When the researcher does not reject the null hypothesis when in fact it is false this is caleed a ________________.
What should be included in reporting ANOVA?
The t Test is characteristically used to compare ______________.
Which line graph of Age and Gender best represents the data above?
The whole group of the study which the sample reflects is called the ________________.
What is a property of a test statistic?
The probability of a Type 1 error is denoted by ________________.
The median is easily swayed by big and small values in the data set.
A matched pairs t test ________________.
R squared is a measure of __________________.
A two proportion z test always yields a two tailed graph.
The alternative hypothesis means that there is no difference between two sample groups.
675 cars were seen to have defects from the factory production last Wednesday. The total production for that day was 921. What is the percentage of cars with defects?
The degrees of freedom is denoted by n-10.
Descriptive statistics on the other hand is a/an __________________ interpretation from the data gathered.
A one sample t test is ___________________.
Univariate statistics can deal with up to two variables being studied.
A regression analysis shows ____________________.
A z-score is the same as the p value.
A student for a score of 27 out of 30 in an exam. This means that the student answered 90% of the questions correctly.
If r2 = -0.92, it means that _________________.
The greater the standard deviation number, the ________________ the dispersion.
The hypothesis of a study must always be formed at the beginning of the research.
A group of researchers tested the before and after effects of social media on a group of 50 teenagers. To test the hypothesis , we use the data _______________.
A student who got a score of 9 out of 10 in a test is an example of inferential statistics.
The mean is the best value to describe an entire set of data.
Quantitative data is represented by ________________.
Studying the before and after effects is also known as ____________________.
Random sampling is getting qualified research respondents with each being chosen with the same probability.
What is the median of the following numbers 10, 10, 10, 11, 11, 12, 13?
The mean of the sample or population is highly dependent on N.
What does ANOVA calculate for?
The range is a measure of where the data is ranked.
A dependent means t test is also known as ____________________.
What is the range of the following numbers 10, 10, 10, 11, 11, 12, 13?
Which of the following is false for an alternative hypothesis?
Smaller samples give smaller variability measures.
Use the data set given below to answer the question. Data Set: 1111 Standard Deviation: 209 Mean: 1026 p(Z > a) = 1 - p(Z < a) equals ____________
______________________ is the method by which survey respondents are chosen without bias and with equal ability to be participants in the study.
The mu is a greek symbol for ________________.
A research problem does not always need to have a null hypothesis because it is mostly rejected.
Type 2 Error is when the researcher ________________.
The average or the mean is the midpoint of a data set.
The sample size is taking all members of the group being studied and getting data from them.
A researcher may opt to test the whole population to get better results in the study.
IINSTRUCTION: Customer service centers are being improved in the country. With this effort, a local firm recorded the number of minutes it takes for call center agents to resolve a complaint. Below is the data. Determine the mode.
What is the mode of the given data?
Comparing 2 population proportions starts with having ________________ data that are taken from 2 separate unique groups.
The class for Statistics has a population of 35 students. The passing rate for the exam is at 50%. In the last exam, 23 students got 8 and above out of the total score of 15. All the rest got 6 and below. What is the percentage of the population that passed the exam?
The t test has various thresholds/significance levels.
Descriptive statistics all except ________________.
The area of the normal curve is equal to ________________.
A negative one tailed graph would have the two ends of the normal curve graph shaded.
If the p value is lesser than 0.05, it means that _________.
Which is not a Chi Square Test?
In descriptive statistics, the main objective is to ____________.
What is the mode of the following numbers 10, 10, 10, 11, 11, 12, 13?
Hypothesis testing is done to _______________.
The null hypothesis in comparing two populations would postulate that the two populations would have no difference.
Which of the following is not useful in doing an ANOVA?
A sample contains all the data of the group that a researcher is studying.
The normal curve is characteristically ______________.
The p value of 0.04 means that there is a 4% chance of it to likely happen.
A one tailed t test finds out if ________________.
A percentage and proportion is related to each other such that __________.
What is the mean for the given data?
Significance levels in a research study normally fall in these values.
It is important to note that multivariate statistics can well complement descriptive statistics when presenting the results.
To reject the null hypothesis, the p value must greater than α.
When comparing two populations, it is assumed that both have normal distributions.
If r2 = 0.43, it means that _________________.
A regression line may be plotted to show where predicted values may fall in a graph based on the independent variable. It is also called a _________________________.
The Chi Square Goodness of Fit shows ____________________.
The Chi Square Test of Homogeneity shows ____________________.
The strength of a correlation is determined by _________________.
The graph below shows that:
A correlation tells you the relationship or association of two variables being studied.
What is the mean of the given data?
What is the median for the given data?
A chi square test does not measure the __________________.
The mode is a measure of dispersion.
When the Pearson and Spearman correlation values equals a +1, it means ______________.
A 2 independent samples proportion test is also called a ____________________.
Gender is an example of nominal data.
A t-test with two samples is most commonly used when there are small sample sizes used in the study.
The graph below shows a:
Significance levels of a research are always at a 90%, 95% and 99% level.
The z score is the distance from the ____________________.
Use the data set given below to solve for the Mean Absolute Deviation. Data Set: 76 80 56 63 45 88 75 89 86 58
The z score table _________________.
Select one:
State the null hypothesis of the problem below. Two groups of honor students are being studied. The researcher is trying to determine if the method of memorization is effective in getting good grades versus a group who does hands on practice.
The z score is obtained so that __________________.
In a normal distribution the pre-calculated area of a z score can be found in the __________________.
Use the data set given below to solve for the Standard Deviation. Data Set: 76 80 56 63 45 88 75 89 86 58
Which of the following is different from all the others?
In ANOVA, treatment is another word for ________________.
The median of 15,17,19 and 20 is 18.
Independent t test is used when there are different subjects in the study.
The degrees of freedom for a sample size of 50 for the first group and 49 for the second group is _________________.
The standard score is the same as the ______________________.
For the hypothesis , the researcher randomly sampled 40 participants from the first group and 20 participants from the second group. What is the degrees of freedom?
A researcher is studying the effect of mefenamic acid on headache disappearance in young female adults. Choose the correct hypothesis.
Compute for the percentage and proportion. Type the answer on the space provided. 65 boxes out of 120
Use the data set to solve for the range. Data Set: 76 80 56 63 45 88 75 89 86 58
An alternative hypothesis means _______________.
In a research problem, there are always two kids of hypothesis - the null hypothesis and the altered hypothesis.
For the hypothesis the researcher randomly sampled 19 participants from the first group and 10 participants from the second group. What is the degrees of freedom?
Compute for the percentage and proportion. Type the answer on the space provided. 6,874 pens out of 10,000
Compute for the percentage and proportion. Type the answer on the space provided. 82 mugs out of 165
The mean absolute deviation is also known as the ______________________.
If the z score is 4.12, what is the value of the z score to make is a normal distribution?
The statistical value of p should be greater than the significance level for you to reject the null hypothesis.
The probability of a Type 1 error is denoted by ___________.
Numbers represent quantitative variables always.
Out of 1050 students, 544 students passed the exam. What is the percentage of passing?
Statistics is used to prove the hypothesis of a research to be right or wrong.
The range is computed by _________.
Descriptive statistics are used to infer generalizations to the whole population.
A teacher in statistics gave out practice problems for students to answer at home. Each student spent some minutes answering these as recorded below. Determine the mode.
If the Spearman coefficient is equal to 1, it means that ______________.
Which bar graph of Gender vs Total Participants per Gender best represents the data above.
When making use of the same subjects testing the before and after effects, we would need to employ the ___________________.
INSTRUCTION: Customer service centers are being improved in the country. With this effort, a local firm recorded the number of minutes it takes for call center agents to resolve a complaint. Below is the data. Determine the median.
A regression cannot predict the outcome of a study given the best fitting line.
A type 2 error occurs when the null hypothesis is rejected when it is in fact true.
A t test is used to compare 3 groups and their mean differences.
To compare populations, data must come from random samples.
What is the mean of the following numbers 10, 10, 10, 11, 11, 12, 13?
Including graphs in descriptive statistics complicates the interpretation of the data at hand.
The two statistical methods are best combined in a research to give an accurate picture and generalization of the problem at hand.
This method of statistics is a direct interpretation of the obtained data.
Compute for the percentage and proportion for each. Type the answer on the space provided. 175 employees out of 1,078
Measures of central tendency revolve around three areas namely the range, mean and median.
INSTRUCTION: Determine the mode from the table below:
A distribution is a ________________.
Comparing two populations mean that you can get data from any two sample sizes from any population.
A variable is an identified characteristic in a research that the researcher wants to take a closer look at.
When hypothesis testing the means of 2 independent populations, our data should be _______________.
For the hypothesis , the researcher randomly sampled 19 participants from the first group and 10 participants from the second group. What is the degrees of freedom?
The null hypothesis means is stated as _____________.
The population is a representative group of the whole.
A student answered 77 out of 100 in a test. What percentage did he answer incorrectly?
A chi square test is done with ______________ data.
There are two types of statistical hypotheses normally crafted in research called the ______________.
When comparing two population means, the = sign always appears in the __________________.
What is the percentage of the following students? Student A 60/65 Student B 45/65
A one sample t test is ____________________.
When reporting results, it is enough to rely on measures of central tendency to accept the alternative hypothesis.
When the researcher does not reject the null hypothesis when in fact it is false this is called a ________________.
Descriptive statistics is a direct interpretation of the data and may not be stretched to further conclude generalizations about the population.
The p value gives you the _____________________.
Statistics is important as it gives an objective way of summarizing and studying data.
Depending on the null hypothesis, the answer when comparing means can be a one tailed graph.
The variance is computed by getting the square of the ___________________.
Use the data set given to answer the following question. From the Z Table, p(z>a) = __________?
The mode is the number that is most frequently seen in a data set.
INSTRUCTION: Determine the median of the table below:
The alternative hypothesis for a chi square is __________________.
It is important to also report and know measures of dispersion because it ___________________ .
In testing means of populations, which of the following data is required?
In the equation of the best fitting line, Y = mx + b, m refers to the ________________.
A type 2 error is the probability of accepting a true alternative hypothesis.
The null hypothesis means ______________.
What symbol is used to represent Chi square?
What is the proportion equivalent proportion if a factory worker accomplishes 82% of his work?
What is the mode for the given data?
Inferential Statistics infers or generalizes data from _______________ to the ____________________.
When doing random sampling, it means that one person may be selected twice in a study.
What is the percentage of the following students? Student A 50/65 Student B 32/65
The alternative hypothesis is the educated outcome guess of a researcher.
A p value of 0.07 has a stronger ability to debunk the null hypothesis than a p value of 0.03.
Which scatter plot of Gender vs English Grade best represents the data above?
To test interaction effects, the researcher uses ___________________.
The population is the representative sample of an identified group.
When making use of the same subjects testing the before and after effects, we would need data to be___________________.
Descriptive statistics is important because it describes the data in a simpler interpretation of the data.
Quantitative statistics are always of numerical value while qualitative statistics are always of an assigned label or name.
The Chi Square Test of Independence shows ____________________.
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