Determine the critical value.wwwww wwwwve18.A sociologist was interested in determining if there was a relationship between the age of a young adult(18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed thefollowing data. Use a Chi-Square independence test to determine if age and type of movie preferredare independent at the 5% level of significance.18-23 years old24-29 years old30-35 years oldTotalsDrama8151134Science Fiction121030Comedy8.1229Totals29333193Provided the assumptions of the test are satisfied, determine the critical value for the test.a) 14.86b) 5.991c) 9.488d) 16.919

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Answered: Determine the critical value. wwwww…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Mr. Acosta, a sodiologist, is doing a study to see ifr there is a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed the following data. Test whether age and type of movie preferred are independent at the 0.05 level. Person's Age 18-23 yr 24-29 yr Drama 15 34 Science Fiction 14 10 6 30 6. Movie 30-35 vr Row Total Comedy 10 | Column Total 9 10 29 31 93 32 30 A USE SALT new window for the SALT program (a) What is the level of arymLaner State the null and alternate hypotheses. OH: Age and movie preference are not independent H,: Age and movie preference are not independent. O H: Age and movie preference are independent. H,: Age and movie preference are independent. OH: Age and movie preference are not independent. H,: Age and movie preference are independent. O H: Age and movie preference are independent. H.: Age and movie preference are not independent. (b) Find the value of the chi-square statistic…
NUC 2.72 Active nuclear power plants. The U.S. Energy D Information Administration monitors all nuclear power plants operating in the United States. The table below lists the number of active nuclear power plants operating in each of a sample of 20 states. a. Find the mean, median, and mode of this data set. b. Eliminate the largest value from the data set and re- peat part a. What effect does dropping this measure- ment have on the measures of central tendency found in part a? Data for Exercise 2.72 Number of Number of State Power Plants State Power Plants Alabama 5 New Hampshire 1 Arizona 3 New York California 4 Florida 5 Georgia 4 Illinois 11 Kansas 1 North Carolina Ohio Pennsylvania South Carolina Tennessee Louisiana 2 Texas 6539734 Massachusetts 1 Vermont Mississippi 1 Wisconsin 1 3 Based on Statistical Abstract of the United States, 2012 (Table 942). U.S. Energy Information Administration, Electric Power Annual.
Consider the following sample data: 6, 10, 4, 3, 7, 9, 21, and 14. What is the variance? Select one: a. 34.79 b. 33.56 c. 34.21 d. 34.02
Q8. Please help.
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Estimate the most likely degree of correlation for the scatterplot Options: a. 0 b. .85 c. -.90 d. -.05
dults aged 18 years old and older were randomly selected for a survey on obesity. Adults are considered obese if their body mass index (BMI) is at least 30. The researchers wanted to determine if the proportion of southern women who are obese is less than the proportion of southern men who are obese. The results are shown in the table below. Test at the 1% level of significance. Number who are obese Sample size Men 42,773 155,525 Women 67,176 248,775 a.State the distribution to use for the test. (Round your answers to five decimal places. b. What is the test statistic c. Conduct a Hypothesis Test
Two social scientists wanted to know if more violent crimes are committed when the temperature goes up. They measured the high temperature for each day during the year in Atlanta and compared the temperature for that day to the Police Department’s report for the number of violent crimes for that day. What statistical test should they use to analyze the data? a. Paired t-test b. Correlation c. One Way ANOVA d. Independent Samples t-test e. Chi Square Test of Independence
A researcher is looking at the relationship between rates of lung cancer and smoking status. they collect a group of smokers and non-smokers and record a binary measurement of whether or not the person has or has had lung cancer. Which statistical method should be used to test the relationship between these two variables?
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