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NikAS [45]
3 years ago
12

Given a mean of 8 and a standard deviation of 0.7, within how many standard deviations of the mean do the values 7.7, 8.4, 9, 8,

and 6.9 fall?
2

1

0

3
Mathematics
1 answer:
Troyanec [42]3 years ago
6 0
*We can to find the upper limit of the data by using the values given in the options.
If 2
the upper limit is 8 + 2*0.7 = 9.4

If 1
the upper limit is 8 + 1*0.7 = 8.7

If 0
the upper limits is 8+ 0*0.7 = 8

If 3
the upper limit is 8 + 3*0.7 = 10.1

Therefore, the answer is
3
since all the values are included
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