Each unit in the graph above is one block. How far would you have to walk from the party supply store to the art gallery and the
n continue on to the dry cleaners?
Options:
A)
6 blocks
B)
11 blocks
C)
12 blocks
D)
10 blocks
Options:
A)
6 blocks
B)
11 blocks
C)
12 blocks
D)
10 blocks
1 answer:
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Answer:
Step-by-step explanation:
Given that a professor sets a standard examination at the end of each semester for all sections of a course. The variance of the scores on this test is typically very close to 300.
(Two tailed test for variance )
Sample variance =480
We can use chi square test for testing of hypothesis
Test statistic =
p value = 0.0100
Since p <0.05 our significance level, we reject H0.
The sample variance cannot be claimed as equal to 300.