Question

Mr. Malloy wants to make sure Amo and Javier get the best possible grade after five tests and can either give a grade based on the median or the mean.

Answer 1

Answer:

The teacher should use the median for Amo and the mean for Javier.

Complete question;

Mr. Malloy wants to make sure Amo and Javier get the best possible grade after five tests and can either give a grade based on the median or the mean

Test

Number

Amo’s Scores

Javier’s Scores

1

97

68

2

92

97

3

89

65

4

55

92

5

90

65

What measure of center should Mr. Malloy use for Amo and for Javier for the best possible grade?

The teacher should use the mean for both Amo and Javier.

The teacher should use the median for both Amo and Javier.

The teacher should use the median for Amo and the mean for Javier.

The teacher should use the mean for Amo and the median for Javier.

Attached is the image of their scores

Step-by-step explanation:

Amo's Score in Ascending Order: 55,89,90,92,97

Javier's Score in Ascending Order: 65,65,68,92,97

For Amo;

Mean = (55+89+90+92+97)/5 = 84.6

Median = 90

For Javier;

Mean = (65+65+68+92+97)/5 = 77.4

Median = 68

Therefore,

Median is higher for Amo and mean is higher for Javier

So, The teacher should use the median for Amo and the mean for Javier.