You Are Given the Following Information Obtained from a Random

question 135

Essay

You are given the following information obtained from a random sample of 4 observations.
25 47 32 56
You want to determine whether or not the mean of the population from which this sample was taken is significantly different from 48. (Assume the population is normally distributed.)
a.State the null and the alternative hypotheses.
b.Determine the test statistic.
c.Determine the p-value; and at 95% confidence test to determine whether or not the mean of the population is significantly different from 48.

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Definitions:

Safe Streets Act

Legislation aimed at reducing traffic-related fatalities and injuries, often through enforcement measures, improvements in road design, and public education campaigns.

Moral Regulation

The constitution of certain behaviours as immoral and thereby requiring public regulation.

Normalization Of Law Breaking

The process by which illegal or unethical activities become regarded as normal or acceptable within a society or group.

Gang Membership

The act of belonging to an organized group often involved in criminal activities and identified by a common identity or purpose.