# Statistics

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1.The average number of acts of physical violence in a random sample of 150 TV movies was 4.5 acts with a standard deviation of 0.75. At the 95% confidence interval level, what is your estimation of the mean range of all movies shown in the television? Explain the result in one sentence.

• Statistics -

95% = mean ± 1.96 SD

Insert values and calculate.

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