You are conducting a Goodness of Fit hypothesis test for the claim that the 4 categories occur with the following frequencies: Ho: PA 0.1; PB = 0.5; pc = 0.1; PD Give all answers as decimals rounded to 3 places after the decimal point, if necessary. Complete the table: Category A B C D Observed Expected Frequency Frequency 14 51 14 = 25 What is the chi-square test-statistic for this data? Test Statistic: x² = = 0.3 For a significance of level alpha= 0.01, what is the chi-square critical value? Critical Value: x² What would be the decision of this hypothesis test? O Reject Ho O Fail to reject Ho

A new vaccination is being used in a laboratory-experiment to investigate whether it is effective. There are 258 subjects in the study. Is there sufficient evidence to determine if vaccination and disease status are related? Vaccination Status Diseased Not Diseased Total Vaccinated 55 62 117 Not Vaccinated 70 71 141 Total 125 133 258 Copy Data Step 6 of 8: Find the critical value of the test at the 0.025 level of significance. Round your answer to three decimal places.

All of the following should be included in the statistics statement in the writeup for a t test except:     the location of the study     degrees of freedom     exact p value     t value

Find the mean, the median, and all modes for the data in the given frequency distribution. (Round your answers to one decimal place. If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.) mean      median      mode(s)      Points Scored by Lynn Points scored in abasketball game Frequency 2 9 6 8 7 9 10 7 11 2 13 4 14 2

The data on the number of chocolate chips per bag for 42 bags of Chips Ahoy! cookies were obtained by the students in an introductory statistics class at the United States Air Force Academy in response to the Chips Ahoy! 1,000 Chips Challenge sponsored by Nabisco, the makers of Chips Ahoy! Use the data collected by the students to answer the following questions and to conduct the analyses required in each part. They found æ = 1261.6 and s = 117.6 a. Determine a 95% confidence interval for the mean number of chips per bag for all bags of Chips Ahoyl cookies. b. Interpret your result in words. C. Can you conclude that the average bag of Chips Ahoy! Cookies contain at least 1000 chocolate chips? O yes Ono Ads in 4 d. Explain why or why not. + SAVE MacBook Pro FR.IEN DS DII DD F12 F11 F8 F9 F10 F7 F5 ) 7 8 9. %3D dela { } Y U P [

Find the mean, the median, and all modes for the data in the given frequency distribution. (Round your answers to one decimal place. If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.) mean      median      mode(s)      Points Scored by Lynn Points scored in abasketball game Frequency 2 8 8 5 9 8 13 4 14 1 18 3 21 1

A lecturer at college wanted to know if he can predict student’s quiz results by asking them tocomplete a simple survey. The result of the survey is given below: Quiz Results EQR Study Hrs Age Sex BBT MB MC AuHS LM 15 10 3 19 0 0 1 1 0 1 14 15 4 24 0 0 1 0 0 1 9 15 1 20 0 10 1 0 0 1 6 10 3 21 0 0 1 1 0 1 14 15 4 21 0 9 1 0 0 1 12 10 6 21 0 2 0 1 0 1 12 13 2 21 1 8 1 0 0 0 15 15 0 20 0 8 1 0 0 1 12 15 3 20 0 10 1 0 0 1 13 15 0.2 19 0 8 1 0 0 1 15 15 2 20 0 6 1 0 1 1 12 14 5 20 0 5 1 1 1 1 14 15 7 22 0 8 0 0 0 0 7 7 10 21 1 7 0 0 1 0 11 15 5 24 0 0 1 0 0 1 10 10 3 22 1 0 1 0 0 1 13 11 3 23 1 1 1 1 1 1 13 15 2 22 1 8 0 0 0 0 13 12 4 20 1 7 1 0 1 0 13 10 3 20 1 0 1 0 0 1 8 13 5 20 1 8 0 0 0 0 12 13 5 22 0 5 0 0 0 1 13 15 8 22 0 5 0 1 0 1 10 13 4 23 1 7 1 0 0 1 13 13 0.5 20 1 0 0 0 0 0 12 13 0.5 20 1 0 1 0 0 0 15 15 2 21 0 10 1 0 0 1 10 13 6 22 0 6 1 1 0 1 11 8 5 20 0 10 0 0 1 0 12 10 4 19 1 0 1 0 0 1 8 5 2 20 1 0 1 0 1 0 11…

You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the following frequencies:HoHo : pA=0.2pA=0.2;  pB=0.3pB=0.3;  pC=0.2pC=0.2;  pD=0.3 Complete the table. Category ObservedFrequency ExpectedFrequency SquaredResidual A 21     B 25     C 21     D 16

Use the following data to calculate the expected frequencies for each category. fe Type fo A B Total 190 320 215 325