It is believed that the productivity of the newly hired salesmen is different from 470 boxes. To
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It is believed that the productivity of the newly hired salesmen is different from 470 boxes. To test this belief at the 5% significance level. A random sample of 40 salesmen has a mean of 450 boxes and a standard deviation of 50 boxes.
Hypothesis Test: Mean vs. Hypothesized Value | |||||
470.00 | hypothesized value | ||||
450.00 | mean boxes | ||||
50.00 | std. dev. | ||||
7.91 | std. error | ||||
----- | n | ||||
----- | df | ||||
----- | t | ||||
.0156 | p-value (two-tailed) | ||||
------ | confidence interval 90.% lower | ||||
------ | confidence interval 90.% upper | ||||
Complete the missing values of above the Mega-Stat output, and use it to solve the following questions:
(Write your solution explicitly)
- Write the null Ho and alternative hypotheses H1
- Verify the assumptions you need to make the test.
- Test the hypothesis is (a) using P-value
- Write the decision in statement of the test you did in (c)
- Find Critical value of the statistical test in part (a), with 5% significance level (using the tables)
df =
Critical value =
Related Book For
Statistics for Business and Economics
ISBN: 978-0132930192
8th edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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