SQUARES BECAUSE THEY ARE IN THE MIDDLE DUMMY


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Answer: The value of test statistic is 2.442.
Step-by-step explanation:
Since we have given that
n = 238
Sample mean = 23.2 minutes
Standard deviation = 20.26 minutes
Hypothesis :

So, the test statistic value would be

Hence, the value of test statistic is 2.442.
Answer:
65
Step-by-step explanation:
You have to just multiply 32 1/2 by 2 because then you get the double of it and that is the answer.
Please mark as brainlest, not had one yet please.