A researcher wanted to investigate whether people preferred one of two types of cola: Coke or Pepsi. One hundred participants performed a blind taste test of both colas and indicated which of the two they preferred. Which of the following tests would be appropriate for the data? One-way between ANOVA Repeated measures ANOVA Correlation Chi-square

Q: ssume we have met the assumptions of using Pearson's correlation. If we wanted to test whether…

A: Given Information: No. of variables=02Given variables=1. Postnatal depression scores2. antenatal…

Q: A correlation study provides the following data: r = .66 and the study involved 92 participants What…

A: The number of participants involved are 92.

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A: Percentile: Percentile is the percentage of data values that lies below a particular data value.…

Q: Which of the following best describes the information about the medians? O The exam median is only…

A: Median is the middle value of the observations in the distribution when the data values are in…

Q: A researcher wanted to determine if there was a relationship between GPA in high school and first…

A: Correlation: Correlation analysis is used to measure the strength of the relationship between…

Q: Which of the following cannot be covered under the univariate analysis of data? a. computation of…

A: We want to tell you which one is the correct choice.

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A: Given problem Given that   Buying jeans can be a challenge for women. A local shop owner wants to…

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A: d. SPSS extracted 510 cases which did not violate any assumptions for correlation analysis.…

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A: It is given that the researcher wants to test whether the life satisfaction differed between high…

Q: 1. A dog groomer is often asked if small dogs bark more than larger dogs. To test this, he logs the…

A: Note : Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the…

Q: What statistical test should she use to analyze the data?

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Q: A company that sells tea and coffee claims that drinking two cups of green tea daily has been shown…

A: The Given Company that sell tea and coffee. To question would you ask to find out more about the…

Q: One weekend, a statistician notices that some of the cars in his neighborhood are very clean and…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: Let Q1 represent the first quartile, Q2 represent the second quartile (or median), and Q3 represent…

A: Quartiles: It is the group of values or means that divide a data set into quarters or groups of…

Q: A researcher is comparing the weekly alcohol consumption for adolescent males versus adolescent…

A: We have given that a researcher is comparing the weekly alcohol consumption for adolescent males…

Q: The following set of data values was obtained from a study of people's perceptions on whether the…

A: Null hypothesis: H0 : µ(1) = µ(2) = µ(3) That is, all means are equal. Alternative hypothesis: H1 :…

Q: Which of the following would decrease the value of the test statistic when dependent samples or…

A: Note: Since the options are not provided we have given the general answer. Please provide answer…

Q: If we wanted to test whether the average number of errors made by those who drank ethanol differed…

A: Test is that whether the average number of errors made by those who drank ethanol differed…

Q: Please also explain why you determined whether or not the results are statistically significant. The…

A: The sample size is 137 and the correlation between two variables is -0.78.

Q: A professor from the University of Álabama is interested in determining whether or not people from…

A: A t test is used to determine to check whether there is significant difference between means of two…

Q: For the following scenarios, identify the variable being compared between groups Identify the two…

A: Given two scenarios, in each scenario:- We have to identify the variable being compared between…

Q: Suppose that you have bivariate data for a sample of a population. a. How would you decide whether…

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Q: By mentioning the appropriate scales of measure, describe the circumstances under which you would…

A: Correlation coefficient measures degree of relationship between two variables.

Q: 24. Aside from testing differences, The Pearson Chi-square is also used to test correlation when…

A: Pearson chi square test used for testing goodness of fit  , independence and homogeneity

Q: Which of the following would be an appropriate statistical test to conduct, which addresses these…

A: Given information: Researchers have conducted a study to investigate the mathematical competency of…

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Q: For a project in his statistics class, Mark conducted a survey in which he asked participants to…

A: It is given that the average ratings are Corvette is 8.3, RAV4 is 6.7 and Civic is 3.9.

Q: Which of these experiments sounds the most like it would be analyzed with a related-samples t-test?…

A: We know that The related-samples t-test is also known as paired-sample t-test. It is use when the…

Q: The following data consist of the present school enrollment of the Dr. Vesse High School. A study on…

A: The data is given as:   Year Level First Second Third Fourth Population size 150 185 220 245…

Q: An ANOVA provides the following data: Group A's mean is 14.38; group B's mean is 11.81; group C's…

A: Here we can see that, MeanA= 14.38 > MeanB = 11.81 > Meanc = 9.57

Q: Which of the following research situations is most likely to use an independent-samples design?

A: The independent samples design is used when there are two different groups which are unrelated.

Q: If I had the questions What is your ethnicity? and How much do you spend per week on food? on a…

A: ANOVA: The term ANOVA stands for analysis of variance. It is used to test the relationship between a…

Q: An educational psychologist wants to examine the relationship between the type of instruction…

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Q: The correlation between two variables is r = −.78 based on a sample size of 137.

A: "Since you have asked multiple questions, we'll solve the first question for you. If you want any…

Q: Which of the following is considered a biased estimator? variance proportion median mean

A: Answer and explanation is given below

Q: find the Q3 (third quartile) position :for a some data with n=30 is

A: We have to find Q3 position for some data with n = 30.

Q: otheses, which of the following would be ng data with a low test statistic

A: In testing hypotheses, which of the following would be strong evidence against the null hypothesis?

Q: A sample survey by Comcast asked a random sample of customers about use of the Internet and about…

A: The test is to check whether there is a relationship between Internet use and community type or not.…

Q: If the correlation coefficient value for the two variables is 0.865 with sample size 15 each. What…

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Q: Which of the following tests is appropriate, if we want to determine the relationship between…

A: We have given that,  Which of the following tests is appropriate, if we want to determine the…

Q: Which of the following statements is NOT correct about the hypothesis test of comparing two…

A: a) As the sample size increases, the critical value for the z-test will become smaller in absolute…

Q: A researcher wanted to test whether there is a relationship between preferred sweet (Oreo cookies,…

A: In testing of hypothesis, we see different types of tests such as z test, chi-square test, t-test,…

Q: The table below shows the summary statistics of two variables for correlation analysis. Descriptive…

A: Given information: The table of summary statistics for two variables.   Mean Standard deviation N…

Q: Taylor Smith, a golf instructor, is interested in investigating the relationship between a golfer’s…

A: Given data Taylor smith a golf instructor is intrested in investigating the relationship betweena…

Q: A researcher wants to see whether it is significantly more likely or less likely that female…

A: Since there is only one factor in the model, i.e. wearing lipstick

Q: A study of alcoholism wanted to investigate whether drinking habits differ between alcoholic men and…

A: Step 1: Since ,here we want to find whether drinking habits differ between alcoholic men and women…

Q: Which of these gives the best measure of central tendency for the given data

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Q: Suppose you read a research article that reported the results of a chi square analysis examining the…

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Q: The systolic blood pressure of individuals is thought to be related to both age and weight. Let the…

A: