Recently, students in a marketing research class were interested in the driving behaviour of students. Specifically, the
Question:
Recently, students in a marketing research class were interested in the driving behaviour of students. Specifically, the marketing students were interested if exceeding the speed limit was related to gender. They collected the following responses from 100 randomly selected students:
What is the value of the test statistic?
A.100
B.9.89
C.50
D.4.94
E.0
.Recently, students in a marketing research class were interested in the driving behaviour of students. Specifically, the marketing students were interested if exceeding the speed limit was related to gender. 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?
A.3.841
B.5.991
C.7.815
D.9.488
E.0
Recently, students in a marketing research class were interested in the driving behaviour of students. Specifically, the marketing students were interested if exceeding the speed limit was related to gender. They collected the following responses from 100 randomly selected students:
The null hypothesis for the analysis is:
A.there is no relationship between gender and speeding.
B.the correlation between gender and speeding is zero.
C.as gender increases, speeding increases.
D.the mean of gender equals the mean of speeding.
Six people have declared their intentions to run for a trustee seat in the next local election. A political poll is conducted during the campaign among 1,020 voters to determine if there is any clear preference among the voters. The responses are shown below.
Determine the null and alternate hypotheses.
A.Ho: No preference among candidates exists H1: Preference among candidates.
B.Ho: Preference among candidates exists H1: No preference among candidates exists.
C.We are unable to determine because there are too many candidates.
D.We need more information to determine the null and alternate hypotheses.
The chi-square distribution is:
A.positively skewed.
B.negatively skewed.
C.normally distributed.
D.negatively or positively skewed.
.A question has these possible choicesexcellent, very good, good, fair and unsatisfactory. How many degrees of freedom are there, using the goodness-of-fit test to the sample results?
A.0
B.2
C.4
D.5
Expert Answer:
