Question

In your sample of 23 art students and 30 economics students, the mean amount that a...

In your sample of 23 art students and 30 economics students, the mean amount that a group of economics students like statistics is 26, while the mean amount that a group of art students like statistics is 15. The variance in the economic group is 4.2, while the variance in the art group is 10.3.

Calculate your test statistic for finding whether the groups differ in how much they like statistics.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In today’s “wired” society, students believe they can multitask. Research suggests that 5% of individuals truly...
In today’s “wired” society, students believe they can multitask. Research suggests that 5% of individuals truly have the ability to multitask. Researchers are interested in finding out if students can multitask or if they perform worse while multitasking. In an introductory statistics class, students were randomly divided into two groups: texting group and cell phone off group. 92 students were required to send three text messages during the lecture and 92 students were required to turn off their cell phones....
A study surveys students to determine the amount of Facebook use during the time they are...
A study surveys students to determine the amount of Facebook use during the time they are doing Math homework. Students are classified into three groups: Non- User, Rarely-Use, Regularly-Use, and their Math scores are recorded. The following data summarize the results. Facebook Use While Doing Homework Non-User Rarely-Use Regularly-Use n = 6 n = 8 n = 10 N = 24 M = 6 M = 2 M = 2 G = 72 SS = 30 SS = 33 SS...
In a random sample of 23 people aged 18-24, the mean amount of time spent using...
In a random sample of 23 people aged 18-24, the mean amount of time spent using the internet is 45.1 hours per month with a standard deviation of 28.4 hours per month. Assume that the amount of time spent using the internet in this age group is normally distributed. 1. if one were to calculate a confidence interval for the population mean, would it be a z or t confidence interval? use the flow chart to explain your answer. 2....
For questions 1 through 3 state the proper t-test (one sample, paired samples, independent samples) that...
For questions 1 through 3 state the proper t-test (one sample, paired samples, independent samples) that should be used to evaluate the research question: (*Just state the test) 1) A developmental psychologist wants to determine if a recently created computer training program can increase the working memory ability of high-school students. A sample of 40 students are given the reverse digit span test at the beginning of the school year and then again after 4 weeks of training. Are there...
A study surveys students to determine the amount of Facebook use during the time they are...
A study surveys students to determine the amount of Facebook use during the time they are doing Math homework. Students are classified into three groups: Non- User, Rarely-Use, Regularly-Use, and their Math scores are recorded. The following data summarize the results. Facebook Use While Doing Homework Non-User Rarely-Use Regularly-Use n = 6 n = 8 n = 10 N = 24 M = 6 M = 2 M = 2 G = 72 SS = 30 SS = 33 SS...
Consider a sample with data values of 27, 25, 23, 16, 30, 33, 28, and 25....
Consider a sample with data values of 27, 25, 23, 16, 30, 33, 28, and 25. Compute the 20th ,25th ,65th ,75th percentiles (to 2 decimal, if decimals are necessary). 20th percentile 25th percentile 65th percentile 75th percentile Consider a sample with data values of 26, 25, 23, 15, 30, 36, 29, and 25. Compute the range, interquartile range, variance, and standard deviation (Round to 2 decimals, if necessary). Range Interquartile range Variance Standard deviation Consider a sample with a...
A random sample of 12 college students were surveyed on their social activities. Students were asked...
A random sample of 12 college students were surveyed on their social activities. Students were asked to state how many times during the previous year they had gone to the movies or sporting events. Student 1 2 3 4 5 6 7 8 9 10 11 12 Movies 12 2 13 17 14 9 24 6 26 22 10 16 Sports 7 4 13 4 9 15 18 4 11 9 5 2 Difference (movies – sports) Once you have...
Several years ago, a group of Honda Dealerships determined that the average amount of days automobiles...
Several years ago, a group of Honda Dealerships determined that the average amount of days automobiles stay on dealers' lots was equal to 22.1 days. They now believe that the mean time has changed and would like to test their belief at a significance level of 0.05. Results of a sample of 50 cars on various lots can be found in the file Honda Hypothesis Test. Use this information to answer the next several questions and ultimately decide whether or...
​​ The following table shows a sample of the amount spent for lunch by 8 students...
​​ The following table shows a sample of the amount spent for lunch by 8 students Lunch Spending ($) = xi 28 10 1 15 8 6 10 6 Calculate the sample mean amount spent for lunch. Use the correct statistical symbol to identify your answer. This sample is (Circle one): Unimodal   Bimodal   Multi-Modal What is/are the mode(s) for this sample? What is the median of this sample? Like most colleges, City College calculates a student’s Grade Point Average (GPA)...
A random sample of 12 second-year university students enrolled in a business statistics course was drawn....
A random sample of 12 second-year university students enrolled in a business statistics course was drawn. At the course's completion, each student was asked how many hours he or she spent doing homework in statistics. The data are listed below. 37 33 38 40 30 32 40 32 36 36 31 32 It is known that the population standard deviation is 8. The instructor has recommended that students devote 3 hours per week for the duration of the 12-week semester,...