Given the 5 categories in the table below, test theclaim that the categories are equally likely to beselected at a a = 0.05 significance level.CategoryABсDEObservedExpectedFrequency Frequency18.0 ✓2022122214018.0f. Make a decision.18.0✔Fail to reject the null.8g. Make a conclusion.✓18.08a. Complete the table by calculating the expectedfrequencies.Orb. What is the chi-square test statistic? Round tothree decimal places.x² =18.0Orc. What are the degrees of freedom?d.f.=>d. What is the p-value for this sample? Round tofour decimal places.p-value=e. Is the p-value less than a? NoOBThere is sufficient evidence to warrantrejection of the claim that all 5 categoriesare equally likely to be selected.There is not sufficient evidence towarrant rejection of the claim that all 5categories are equally likely to beselected.The sample data support the claim thatall 5 categories are equally likely to beselected.There is not sufficient sample evidence tosupport the claim that all 5 categories areequally likely to be selected.

Given that Number of categories = n = 5 Note : According to bartleby experts question answers…

Answered: Given the 5 categories in the table…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

6. A sample of 100 adult women was taken, and each was asked how many children she had. The results were as follows: Children 0 Number of 24 Women 1 20 2 35 3 13 4 7 5 1 a. Find the sample mean number of children. b. Find the sample standard deviation of the number of children. c. Find the sample median of the number of children. d. What is the first quartile of the number of children? e. What proportion of the women had more than the mean number of children? f. For what proportion of the women was the number of children more than one standard deviation greater than the mean? g. For what proportion of the women was the number of children within one standard deviation of the mean?
A police department released the numbers of calls for the different days of the week during the month of October, as shown in the table to the right. Use a 0.01 significance level to test the claim that the different days of the week have the same frequencies of police calls. What is the fundamental error with this analysis? a. Calculate the test statistic, chi squared .chi squared equals (Round to three decimal places as needed.) b. Calculate the P-value. P-valueequals (Round to four decimal places as needed.)
A random sample of 15 college students were asked "How many hours per week typically do you work outside the home?" Their responses are shown on the right. 13 30 4 Determine the shape of the distribution of hours worked by drawing a frequency histogram and computing the mean and median. Which measure of central tendency better describes hours worked? 13 6. 17 19 23 18 18 21 27 24 9 25 ..... Choose the correct frequency histogram below. OA. O B. C. Hours Worked Hours Worked Hours Worked per Week per Week per Week 10 20 30 10 20 30 10 20 30 hours hours hours Is the histogram for the data set skewed right, skewed left, or symmetric? skewed right skewed left O symmetric The mean number of hours worked by college students outside the home is approximately hours. (Type an integer or decimal rounded to three decimal places as needed.) The median number of hours worked by college students outside the home is hours. Which measure of central tendency better describes hours worked? median mode…
In a survey of 20 patients who smoked, the following data were obtained. Each value represents the number of cigarettes the patient smoked per day. 10 8 6 14 22 13 17 19 5 16 11 9 18 14 13 12 15 15 11 11 Requirements: Construct a frequency distribution with an interval width of 3 then solve for the mean, median, mode, interquartile range, variance, standard deviation
The mean # of hours worked
Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 18 μg/g. Assume that the sample is a simple random sample. 13 15.5 3.5 8.5 17 18.5 8.5 19 9.5 20
The average family size was reported as 7.2. A random sample of families in a particular school district resulted in the following family sizes: Size 4 9. 8. 4 8 9 At 1% level of significance, does the average family size different from the national average? Use traditional way of testing hypothesis. a. Mean family size of the sample: b. Sample variance: ct Test Value: d. Summarize your Interpretation: 4)
Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 years. 0.67 1.72 3.45 5.33 O 0.96 1.95 3.76 5.64 Determine the quartiles. 1.17 2.32 4.15 5.88 1.31 2.74 4.58 6.19 1.61 3.22 4.98 6.66 What are the quartiles? Q, = (Round to three decimal places as needed.) Q2 (Round to three decimal places as needed.) Q3 (Round to three decimal places as needed.) Statcrunch Submit quiz
A random sample of 15 college students were asked "How many hours per week typically do you work outside the home?" Their responses are shown on the right. 6. 34 1 Determine the shape of the distribution of hours worked by drawing a frequency histogram and computing the mean and median. Which measure of central tendency better describes hours worked? 8 7 10 15 12 15 16 11 26 12 6 11 ..... Choose the correct frequency histogram below. A. Hours Worked В. Hours Worked C. Hours Worked per Week per Week per Week 10 20 30 10 20 30 10 20 30 hours hours hours Is the histogram for the data set skewed right, skewed left, or symmetric? skewed right symmetric skewed left The mean number of hours worked by college students outside the home is approximately hours. (Type an integer or decimal rounded to three decimal places as needed.) The median number of hours worked by college students outside the home is hours. Which measure of central tendency better describes hours worked? mode mean median…
A random survey is collected on the number of children of different age groups who play in government parks and the information is tabulated in the frequency distribution given below: Age (years) Number of children 1 - 2 8 2 - 4 10 4 - 7 18 7 - 9 10 9 - 11 12 11 -15 6…
The last digit of the heights of 39 statistics students were obtained as part of an experiment conducted for a class. Use the following frequency distribution to construct a histogram. What can be concluded from the distribution of the digits? Specifically, do the heights appear to be reported or actually measured? Choose the correct histogram below. O A. 6- Digit Frequency 0123456789 OB. 1 6- 2 3 4 012345 6789 OC. 12- 6 7 12345 6789 OD. 12- 0 123456789 Are the data reported or measured? O A. The data appears to be measured. Certain heights occur a disproportionate number of times. O B. The data appears to be measured. The heights occur with roughly the same frequency.
For the given table of observed frequencies: 1 2 3 A 15 10 12 B 3 11 11 C 9 14 12 a. Compute the row totals, the column totals, and the grand total. b. Construct the corrresponding table of expected frequencies. c. Compute the value of chi-square statistic. d. How many degrees of freedom are there? e. If appropriate, perform a test of independence, using the a=0.05 level of significance. If not appropriate, explain why?

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS