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