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Calculate a linear correlation and regression analysis

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Reference no: EM132388518

The heights of 40 randomly selected people and those of their mothers are recorded. STATDISK is used to calculate a linear correlation and regression analysis. The results obtained are given below:

  Sample size, n: 40

  Degrees of freedom: 38

  Results:

  Correlation coefficient, r: 0.6033907

  Critical r: ± 0.3120061

  P value: 0.00004

The null hypothesis is rejected

Based on the hypothesis test, what can be concluded?

There is insufficient evidence to conclude that there is a linear relationship between the height of a person and the height of their mother.

There is sufficient evidence to conclude that there is a linear relationship between the height of a person and the height of their mother.

There is sufficient evidence to conclude that the population dispersion graph would follow a horizontal line

The hypothesis test indicates that we must use the heights of the father instead of the heights of the mother.

Reference no: EM132388518

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