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? Sun Mon Tues Fri Sat D Day Frequency Wed 246 Thurs 172 160 210 227 208 234 Determine the null and alternative hypotheses. Ho: H₁: Calculate the test statistic, x². x² = (Round to three decimal places as needed.) Calculate the P-value. P-value = (Round to four decimal places as needed.) What is the conclusion for this hypothesis test? O A. Reject Ho. There is insufficient evidence to warrant rejection of the claim that the different days of the week have the same frequencies of police calls. O B. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the different days of the week have the same frequencies of police calls. OC. Fail to reject Ho. There is insufficient evidence to warrant rejection of the claim that the different days of the week have the same frequencies of police calls. O D. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that the different days of the week have the same frequencies of police calls. What is the fundamental error with this analysis? O A. Because October has 31 days, each day of the week occurs the same number of times as the other days of the week. O B. Because October has 31 days, three of the days of the week occur more often than the other days of the week. O C. Because October has 31 days, two of the days of the week occur more often than the other days of the week. O D. Because October has 31 days, one of the days of the week occur more often than the other days of the week.

Mr. Jones believes that the mean income of lawyers has changed and is no longer $65 thousand per year. Which is the correct set of hypotheses to test this belief? O Ho:µ 2 65,000; Ha: µ 65, 000 О Нор - 65, 000; На: и # 65, 000 О Нор 65, 000

To determine if there is an association between gender and reading habits, 270 adults are randomly sampled from across the United States and asked the following question: “How often do you read a book outside of work or school: regularly, sometimes, or never?” The results are summarized in the following table:   OBSERVED READING HABITS     Regularly Sometimes Never Total Male 42 72 10 124 Female 72 74 7 146 Total 107 146 17 270 a)What are the appropriate hypotheses for this chi-square test? b)What are the appropriate degrees of freedom for this test?

Which of the following best describes the meaning of a p value for a chi squared score? a) A p value is another way to look at a chi squared score, so a low p value is essentially the same thing as a low chi squared score.   b) A low p value means that the data is not likely to show any pattern or correlation.   c)The higher the chi squared score, the lower the p value, because high chi squared scores mean the data looks like random data.   d)A higher chi squared score means that the data was different from expected, and therefore unlikely to have occurred by chance.

Solve for the p-value.

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? Day Sun Mon Tues Wed Thurs Fri Sat Frequency 156 210 223 242 177 209 232 Calculate the test statistic, x2. x2 = (Round to three decimal places as needed.) Calculate the P-value. P-value = (Round to four decimal places as needed.) What is the conclusion for this hypothesis test? O A. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the different days of the week have the same frequencies of police calls. O B. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that the different days of the week have the same frequencies of police calls. O c. Reject Ho. There is insufficient evidence to warrant rejection of…

Is there a relationship between self-reported major and self-reported IQ in the sample? a. Write a null and an alternative hypothesis for this research MajorBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyMedical ImagingMedical ImagingNursingNursingNursingNursingPhilosophyPsychologyPsychologyPsychologyBioinformaticsBiologyBiologyBiologyBiologyBiologyBiologyBiologyBiologyIntegrated Science StudiesNursingNursingNursingNursingNursingPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologyPsychologySocial ScienceSocial WorkSocial Work   IQ 115 110 113 125 105 120 107 114 115 106 124 110 120 110 135 95 138 102 124 119 110 130 115 120 110 117 121 115 103 127 116 120 117 111 115 106 135 138 102 100 113 125 105 110 120 106 109 100 130 123 107…

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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