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adoni [48]
3 years ago
9

Ari's teacher says he may have his report grade based on either the mean or the median of his last six test scores. 88%, 73%, 97

%, 76%, 90%, 80% which measure of center would best represent ari's grade? the mean the median both the mean and the median neither the mean nor the median
Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
7 0

Answer:

Both the mean and the median


Step-by-step explanation:

Whichever measure, mean or median, is higher, Ari will benefit from that.


<u>Median:</u>

Median is the "middle value" of the list when arranged from least to greatest.

<em>Since there is 6 numbers, the middle number is between the 3rd and 4th number. Hence, we take the average of the 3rd and 4th number.</em>

Arranged from least to greatest: 73, 76, 80, 88, 90, 97

Average of 3rd and 4th is the Median = \frac{80+88}{2}=\frac{168}{2}=84


<u>Mean:</u>

Mean is the sum of all the number divided by the number of numbers (6).

So we have:

Mean = \frac{88+73+97+76+90+80}{6}=\frac{504}{6}=84

Mean is 84


Since Mean and Median are both same (84%), both will be best measure of center for Ari.

marta [7]3 years ago
4 0
Both the mean and median
Median 80+88= 168/2= 84%
Mean 504/6= 84%

73%,
76%,
80%
88%,
90%,
97%,
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