Discuss the below:
Q1) Using the CIELO data, calculate 95% and 99% confidence intervals for the Percentage intending to purchase the CIELO
Q2) Test the hypothesis that more one-third of the general driving population would be willing to purchase the CIELO
The table below was collected by a large car manufacturer concerning a new prototype car called CIELO. Thirty carefully selected respondents were shown the car and carefully briefed about its capabilities.
Here is the data which include age (intervally scaled), sex (nominal), social status (interval scale ranging from 10, low status to 30, high status), attitude toward CIELO (interval scale from 6, negative to attitude to 30, positive attitude) and the intention to purchase CIELO (nominal, yes or no).
A - Is there any difference in male and female attitude toward CIELO?
B - What is the relationship between intention to purchase and gender?
C- Is there anything unusual about this data?
Social Attitude intention
Respondent Age Sex Status Score to purchase
1 20 M 15.6 16 Y
2 19 F 17.5 17.5 Y
3 34 M 28.2 14 N
4 23 M 24.6 6 N
5 42 M 16.5 28 N
6 55 F 12.2 24 N
7 24 F 12.5 19 Y
8 26 M 29.6 14 N
9 35 F 27.6 23 N
10 41 M 23.2 16 N
11 43 F 21.2 26 Y
12 51 M 20.2 28 N
13 56 M 19.4 14 N
14 62 F 18.6 12 Y
15 43 F 10.2 11 Y
16 51 F 14.3 10 N
17 28 M 12.6 22 Y
18 19 M 14.8 24 N
19 24 M 29.6 19 N
20 26 F 26.5 18 Y
21 28 F 23.2 20 N
22 35 M 17.9 23 N
23 38 F 19.9 23 N
24 23 M 20.1 25 Y
25 42 F 18.6 17 N
26 41 F 18.6 17 N
27 30 F 24.6 16 Y
28 29 M 26.6 13 N
29 19 M 14.5 22 Y
30 26 F 12.9 21 N