What the data means about the amount of money people spend on purchasing accessories for the their mobile phones is that;
on the average, people spend between 43 and 57 dollars on every accessory they buy.
<h3>Confidence Interval</h3>
We are told that;
Mean is $50
Standard deviation from the mean is $7
From the empirical rule, since standard deviation from the mean is $7, then we can conclude that the confidence interval is;
CI = 50 ± 7
CI = (50 - 7), (50 + 7)
CI = (43, 57)
In conclusion, this means that on the average, people spend between 43 and 57 dollars on every accessory they buy.
Read more about Confidence interval at; brainly.com/question/17097944
Answer:
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Explanation:
Using a passive voice is when the auth accepts or allows what happens or what others do, without active response or resistance.it allows them to highlight the most important participants
Answer:
H0:p1 − p2 = 0 and Ha:p1 − p2 ≠ 0
Explanation:
Null hypothesis would be there not being a difference, so the difference would be 0.
Alternative hypothesis would be that there is a difference. However, the president of the university does not want to determine whether more males than females, or more females than males, get a GPA of 3.5 or higher, so the alternative hypothesis is =/= 0.
