Ok dry-cleaning advertises so effectively that the regular customers of its competitor purity cleaners patronize ok instead of p
2 answers:
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Answer:
Hence the null hypothesis is not rejected.
We conclude that productivity objective (in dollars) is not better than $75,000 per employee.
Explanation:
Single sample t-test ( upper tail test)
N=20
Mean =75500
Sd=18968.117
DF= 20-1=19
Table value of t at 0.05 level of significance =1.7291
Calculated t=0.1179 < table value 1.7291
The null hypothesis is not rejected
We conclude that productivity objective (in dollars) is not better than $75,000 per employee