Exam 15: Nonparametric Methods: Nominal Level Hypothesis Tests

A recent study of the relationship between social activity and education for a sample of corporate executives showed the following results. The null hypothesis for the analysis is ________.

Which of the following statements is correct regarding the chi-square distribution?

Which of the following statements is correct regarding the goodness-of-fit test?

Recently,students in a marketing research class were interested in the driving behavior of students. Specifically,the marketing students were interested in finding out if exceeding the speed limit was related to social activity. They collected the following responses from 100 randomly selected students: Using 0.05 as the significance level,what is the critical value for the test statistic?

The following table classifies 100 individuals using two variables,gender and college attended. What is this two-way classification called?

The chi-square statistic has ________.

Three new colors have been proposed for the Jeep Grand Cherokee vehicle. They are silver blue,almond,and willow green. The null hypothesis for a goodness-of-fit test would be ________.

The computed chi-square value is positive because the difference between the observed and expected frequencies is ________.

A recent study of the relationship between social activity and education for a sample of corporate executives showed the following results. Using 0.05 as the significance level,what is the critical value for the test statistic?

Students were sampled to determine their support for the legalization of gambling in their community. A sample of 150 students were asked whether or not they supported legalization of gambling,and the following results were obtained. The value of the chi-square test statistic equals ________.

What is our decision for a goodness-of-fit test with a computed chi-square value of 1.273 and a critical value of 13.388?

It is claimed that in a bushel of peaches,less than 10% are defective. A sample of 400 peaches is examined and 50 are found to be defective. What is the null hypothesis?

For people released from prison,the following table shows their adjustment to civilian life and place of residence. What is the critical value for this contingency table at the 0.01 level of significance?

A t-statistic is useful for computing an expected normal distribution.

A survey of property owners' opinions about a street-widening project was taken to determine if owners' opinions were related to the distance between their home and the street. A randomly selected sample of 100 property owners was contacted and the results are shown next. What is the critical value at the 10% level of significance?

An electronics retailer believes that,at most,40% of their cell phone inventory was sold during November. The retailer surveyed 80 dealers and found that 38% of the inventory was sold. Since 38% is less than 40%,is this difference of 2 percentage points sampling error or a significant difference? Test at the 0.05 level. The computed z = −0.37.

Based on the Nielsen ratings,the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the area. In a survey of 100 viewers,36% indicated that they watch the late evening news on this local CBS station. What is the alternate hypothesis?

Recently,students in a marketing research class were interested in the driving behavior of students. Specifically,the marketing students were interested in finding out if exceeding the speed limit was related to social activity. They collected the following responses from 100 randomly selected students: The degrees of freedom for the analysis are ________.

A survey of property owners' opinions about a street-widening project was taken to determine if owners' opinions were related to the distance between their home and the street. A randomly selected sample of 100 property owners was contacted and the results are shown next. What is the expected frequency for people against the project and who have over 120 feet of property foot frontage?

To test if an observed frequency distribution with five classes is normally distributed,we need to find ________.