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