D) Ho: 839 Ha: > 839 n = 25 Significance level = 0.025 t-statistic = 2.13 p-valu

Question

D) Ho: 839
    Ha: > 839
    n = 25
    Significance level = 0.025
    t-statistic = 2.13
    p-value =   
    Note:Round the answer to four decimal places
    The statistical decision is:  ---Select--- Reject Ho Fail to reject Ho

E) Ho: 2100
    Ha: < 2100
    n = 21
     = 0.025
    t-statistic = -1.62
    p-value =  
    Note:Round the answer to four decimal places
    The statistical decision is:  ---Select--- Reject Ho Fail to reject Ho

F) Ho: = 4050
    Ha: 4050.
    n = 27
     = 0.02
    t-statistic = -1.70
    p-value =  
    Note:Round the answer to four decimal places
    The statistical decision is:  ---Select--- Reject Ho Fail to reject Ho

Explanation / Answer

D

n = 25

df=n-1=24
    Significance level = 0.025
    t-statistic = 2.13
    p-value = 0.0218

Pvalue < 0.025 reject Ho

E

n = 21

df =n-1 =20
     = 0.025
    t-statistic = -1.62
    p-value = 0.0604

p-value ( 0.0604)> 0.025 fail to rejectHo

F

n = 27

df =n-1 =26
     = 0.02
    t-statistic = -1.70
    p-value = 0.0505

p-value (0.0505)>0.02 fail to rejectHo

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