Solution-State the null hypothesis and the alternate

State the null hypothesis and the alternate hypothesis

Assignment Help Basic Statistics

Reference no: EM131887177

According to the Census Bureau, 3.15 people reside in the typical American household. A sample of 16 households in Arizona retirement communities showed the mean number of residents per household was 2.98 residents. The standard deviation of this sample was 1.17 residents. At the .05 significance level, is it reasonable to conclude the mean number of residents in the retirement community household is less than 3.15 persons?

a. State the null hypothesis and the alternate hypothesis. (Round your answer to 2 decimal places.) H₀: μ ≥ H₁: μ <

b. State the decision rule for .05 significance level. (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.)

Reject H₀ if t <

c. Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.)

Value of the test statistic

d. Is it reasonable to conclude the mean number of residents in the retirement community household is less than 3.15 persons?

(Click to select) Reject Fail to reject H₀. Mean number of residents (Click to select) is necessarily is not necessarily less than 3.15 persons.

Reference no: EM131887177

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State the null hypothesis and the alternate hypothesis

Reference no: EM131887177

Reference no: EM131887177

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