Answer to Question #218119 in Statistics and Probability for Nome

Question

QUESTION FOUR

Use the table below to answer the questions that follow

X 0 1 2 3 4 5

Freq 15 24 8 6 10 4



Use the table above to construct cumulative frequency and relative cumulative frequencies for the distribution

Estimate the mean deviation


QUESTION FIVE

The table below depicts information on the retirement age and age at which one dies. Use the table to answer the questions that follow.

Retirement age(x) 55 61 52 65 70 45 60

Death age(y) 60 70 88 90 62 50 77

Calculate the Pearson correlation coefficient and interpret

From a regression equation of the form y=α+βX+ε, where y is the retirement age, X is age at which one dies and ε, estimate the values for the constant and slope of the regression and interpret.

Predict the age at which one will die if the person retires at age 78.

Calculate the coefficient of determination and interpret.

Answer 1

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