Question

1) a) Find the mean, median, and standard deviation of the data set.

b) Create an appropriate graphical display (s) and describe the shape of the distribution. You do not have to attach the displays.

2) Test whether the mean pulse rate of general public is greater than 70 at 5% significance level;

Write the following:

a) Null and alternative hypotheses

b) Value of the test statistic

c) p-value

d) Conclusion. Do you have evidence to believe the mean pulse rate is higher than 70?

Data:

68
64
88
72
64
72
60
88
76
60
96
72
56
64
60
64
84
76
84
88
72
56
68
64
60
68
60
60
56
84
72
84
88
56
64
56
56
60
64
72
76
72
88
60
72
68
80
64
68
68
80
76
68
72
96
72
68
72
64
80
64
80
76
76
76
80
104
88
60
76
72
72
88
80
60
72
88
88
124
64

Answer 1

d) Since p value less than significance level, we reject null hypothesis. There is enough evidence to conclude that the mean pulse rate is higher than 70