Amr- Class Activity (Hypothesis Testing)

Session 4

Class Activity (Hypothesis Testing)

1) In a pretest, data on Nike were obtained from 45 respondents. These data gives the usage, gender, awareness, attitude, preference, intention, and loyalty toward Nike of a sample of Nike users. Usage has been coded as 1, 2, or 3, representing light, medium, or heavy users. The gender has been coded as 1 for females and 2 for males. Awareness, attitude, preference, intention, and loyalty are measured on 7-point Likert- type scales (1= very unfavorable, 7= vary favorable).Note that five respondents have missing values that are denoted by 9.

Analyze the Nike data to answer the following questions. In each case, formulate the null and the alternative hypotheses and conduct the appropriate statistical test(s).

a) Obtain a frequency distribution for each of the following variables and calculate the relevant statistics: awareness, attitude, preference, intention, and loyalty toward Nike.

b) Conduct a cross-tabulation of the usage with sex. Interpret the results.

c) Does the awareness for Nike exceed 3.0?

d) Do the males and females differ in their awareness for Nike? Their attitude toward Nike? Their loyalty for Nike?

e) Do the respondents in the pretest have a higher level of awareness than loyalty?

f) Does awareness of Nike follow a normal distribution?

g) Is the distribution of preference of Nike normal?

h) Assume that awareness toward Nike was measured on an ordinal scale rather than an interval scale. Do males and females differ in their awareness toward Nike?

i) Assume the loyalty toward Nike was measured as an ordinal scale rather than an interval scale. Do males and females differ in their loyalty toward Nike?

j) Assume that attitude and loyalty toward Nike were measured on an ordinal scale rather than an interval scale. Do the respondents have greater awareness of Nike than loyalty for Nike?