please solve these questions and show your workthank you Questions 7-10. Around

Question

please solve these questions and show your workthank you
Questions 7-10. Around 1990, data was collected from 50 developing nations to investigate the rela- tionship between contraceptives and fertility rate VARIABLES contraceptors percentage of women of childbearing age using contraceptors tfr -Total Fertility Rate (average number of children per voman) Two plots are shown below: 1) scatterplot with best fitting line 2) Residuals (e.) vs. Fitted values (:) % women using contraceptors fitted value (Y-hat)

Explanation / Answer

Result:

7).

test value = -16.30

8).

Predicted fertility rate =6.875-0.058*60

=6.875-0.058*60

=3.395

9)

c). the model is adequate.

10). 2 =0.57452 =

=0.3300503

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