Question

The following table represents the scores on the Mini-Mental State Examination (MMSE) for patients enrolled in...

  1. The following table represents the scores on the Mini-Mental State Examination (MMSE) for patients enrolled in a study at an Alzheimer’s disease institute.

Patient

MMSE Score

A

21

B

19

C

18

D

22

E

17

F

18

G

22

  1. Calculate the IQR for the performances on the MMSE presented above

Homework Answers

Answer #1

arranging the data in ascending order we have:-

17,18,18,19,21,22,22,

number of observations(n) = 7

the first quartile be:-

[ from the arranged data ]

the third quartile be:-

[ from the arranged data ]

the IQR for the performances on the MMSE be:-

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