Question

In: Statistics and Probability

Suppose one such researcher wants to investigate the relationship between lead levels in soil (micrograms/dL) and...

Suppose one such researcher wants to investigate the relationship between lead levels in soil (micrograms/dL) and BMI (kg/m2). The following table represents a SRS of households with the corresponding exterior lead levels and BMI of a randomly sampled child in the home.

Leal levels (µg/dL)

BMI (kg/m2)

13.6

19.7

14.3

19.9

9.7

20.1

9.4

22.1

11.4

19.8

10.9

21.6

A) Write out the null and alternative hypotheses for a formal test of significance testing the correlation between the two variables.

B) Calculate a t statistic and interpret your p value and results.

Solutions

Expert Solution

first, we have to find the correlation between Lead Level and BMI

a)

we will test if there is a correlation between the two variable or not

b) we will conduct the test at 0.05 significance level.



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