Question

(a) A study was performed to examine the personal goals of children in grades 4, 5 and 6. A random sample of students was selected from grades 4, 5 and 6 from schools in Idaho. The students received a questionnaire regarding achieving personal goals. They were asked what they would most like to do at school: make good grades, be good at sports, or be popular. Each student's gonder was also recorded. Which hypotheses are being tested by the chi-square test? A. The null hypothesis is that there is no relationship between personal goals and gender, and the alternative is that there is some relationship B. The null hypothesis is that the mean personal goal is the same for boys and girls, and the alternative is that the means differ. . C. The distribution of gender is different for the three personal goals D. The null hypothesis is that there is no relationship between personal goals and gender, and the alternative is that there is a positive relationship E. None of the above (b) A x statistic provides persuasive evidence against the null hypothesis if its value is A. a large positive number B. close to 0 • C. close to 1 D. 1.96 E. a large negative number (c) Chi-square tests are most appropriate for data that A have small standard deviations B. can be averaged • C. are normally distributed D. are categorical E have founding errors

Answer 1

Option A- is correct because chi square the relationship test is used for testing. between the variables Shaded la large region value is of the critical region. Thus chi square will reject

Date Page No. Ho This option is correct c) Chi square categorical test data are mostly used for option is correct.