Which of the following is appropriate for a related-sample t-test? a) A researcher wants to compare the level of SAT scores at the end of the class. b) A researcher wants to compare the level of honesty (based on an honesty scale) in politicians to the level of honesty in students. c) A researcher wants to examine the association between liking for energy drinks and tendency to be a "morning person" among a group of students. d) A researcher wants to compare the scores on an optimism measure between two universities.

Difference tests are conducted to determine: A. the representative value in a given set of scores. B. whether two or more groups differ on an outcome. C. if the assumptions of a statistical procedure have been met. D. whether two variables correlate with each other.

Very briefly, explain if the value in the dominator of the one sample and independent sample t test is different? If so, what is the difference and why do we use it?

Would observations or interviews be more appropriate to research the following topic?How politicians define family values.O ObservationsO Interviews

A survey was conducted to determine whether hours of sleep per night are independent of age. A sample of individuals was asked to indicate the number of hours of sleep per night with categorical options: fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more. Later in the survey, the individuals were asked to indicate their age with categorical options: age 39 or younger and age 40 or older. Sample data follow. Age Group Hours of Sleep 39 or younger 40 or older Fewer than 6 38 36 6 to 6.9 60 57 7 to 7.9 76 74 8 or more 66 93 (a) Conduct a test of independence to determine whether hours of sleep are independent of age. (b) What is your estimate of the percentages of individuals who sleep fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more per night?

A survey was conducted to determine whether hours of sleep per night are independent of age. A sample of individuals was asked to indicate the number of hours of sleep per night with categorical options: fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more. Later in the survey, the individuals were asked to indicate their age with categorical options: age 39 or younger and age 40 or older. Sample data follow. Hours of Sleep Fewer than 6 6 to 6.9 7 to 7.9 8 or more Age Group 39 or younger 40 or older Need Help? 38 62 Read It 77 (a) Conduct a test of independence to determine whether hours of sleep are independent of age. State the null and alternative hypotheses. O Ho: Hours of sleep per night is not independent of age. H₂: Hours of sleep per night is independent of age. a 63 OHO: Hours of sleep per night is mutually exclusive from age. H₂: Hours of sleep per night is not mutually exclusive from age. % O Ho: Hours of sleep per night is independent of age. H₂: Hours of…

How to identify Mode, median, and mean in positively and negatively skeweddistributions?

Statistical discrimination is: a preconceived bias, not based on reason or experience, against a group. O the use of observations about the average characteristics of a group to make inferences about an individual member of the group. a feeling of inferiority arising from membership in a small group. O judgments shaped by the unconscious attribution of particular qualities to specific groups.

Determine if the survey question is biased. If the question is biased, suggest a better wording. How often do you eat vegetables during an average month? Is the question biased? OA. Yes, because it does not lead the respondent to any particular answer. A better question would be "Why is eating vegetables good for you?" OB. Yes, because it influences the respondent into thinking that eating vegetables is good for you. A better question would be "Do you think that eating vegetables is good for you?" OC. No, because it influences the respondent into thinking that eating vegetables is good for you. OD. No, because it does not lead the respondent to any particular answer.

Need the test statistic and p value pls help Thankyou.