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