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