Fall 2017 Math 108 MWF 10-10:50 AM Canvas Submit Qutz Quiz: Chapter 8 Quiz This

Question

Fall 2017 Math 108 MWF 10-10:50 AM Canvas Submit Qutz Quiz: Chapter 8 Quiz This Quiz: 14 pts sample of 41 men from a normally distributed to that nomal range, the result is a standard deviation of 10 beats per minute. Use the sample results with a 0.05 significance level to test the claim that pulse rates of men have standard deviation equal to SD bea minuto. Completo (a) trough (d) below. O B. Hoor10 beats per minute H:o-10 beats per minube D. Ho: 10 beats per minute OA He'210 beats per minute Hy: a 10 beats per minute Hi "10beats per minut Hy: o

Explanation / Answer

The statistical software output for this problem is:

One sample variance summary hypothesis test:
2 : Variance of population
H0 : 2 = 100
HA : 2 100

Hypothesis test results:

Hence,

a) Hypotheses: Option D is correct.

b) Test statistic = 66.564

c) p - Value = 0.0105

d) Reject; less than; is

Variance Sample Var. DF Chi-square Stat P-value 2 166.41 40 66.564 0.0105

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