The following are the number of hours traveled by a senior high school student to go to school every day. Test his claim that the average number of hours he travels to go to school is 1 hour. Use a 1% level of significance. .5 .25 1.4 1.5 .85 .20 1.5 1.75 .10 .65 .75 1.10 1.65 1.4 .35 .40 .25 26

Q: Among the measures of center discussed, which is the only one appropriate for qualitative data?

A: Measures of center: Mean: The arithmetic mean (also called the mean) is the most commonly used…

Q: State two advantages of using a sample statistic rather than a parameter.

A: The numerical value that describes the characteristics of a population as a whole is defined as the…

Q: When a data set has one or two values that are much higher than all of the others which of our 3…

A: As Mean is found by adding all the values and dividing by the number of values So if one or two…

Q: What term is used to explain the natural difference between a sample mean the overall population…

A: What term is used to explain the natural difference between a sample mean the overall population…

Q: IQ scores for subjects with medium lead levels in their blood and another sample of subjects with…

A: Mann-Whitney U test: The Mann-Whitney U test is non-parametric statistical method that is used for…

Q: What is the value of the standardized test​ statistic?

A:

Q: Would a sophomore year statistics class students’ average age be a good Point Estimator(This is a…

A: Yes, as usually students in sophomore year are of certain age and the age range is not so huge,…

Q: Explain the meaning of the term hypothesis as used in inferential statistics.

A: Hypothesis testing:         Hypothesis testing was introduced by R.A.Fisher (Ronald Fisher).It is a…

Q: What is the PMT?

A: What is the PMT?

Q: In a 70 item test, Chloe got a score of 50 which is the third quartile. What does it mean?

A: We know that their are 75% data points are lies below the third quartile.

Q: A researcher gathered a sample of participants who volunteered for a studying of phobias. She…

A: A researcher gathered a sample of participants who volunteered for a studying of phobias. She…

Q: A consumer advocacy group is doing a large study on car rental practices. Among other things, the…

A: From the given information, it is to test whether the mean monthly mileage of cars rented in the…

Q: Describe three research questions that could be tested using an independent samples t-test.

A: The two-sample independent t-test is applied when The two samples are independent of one another…

Q: TWO reasons for why Pratt-Arrow measures are useful.

A: Arrow and Pratt's original measure used wealth as the argument in the Bernoulli function, so for…

Q: A random sample of 50 CSCC students are surveyed to determine what percent of our students are…

A: Solution: Given information: n= 50 Sample size of CSCC students  x= 16  first-generation college…

Q: Your boss wants to use absenteeism rates to predict which employees will most likely quit during the…

A: Statisticians choose the appropriate test statistic with objective to know the rate of leaving the…