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Karolina [17]
3 years ago
6

A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is –1 standard devi

ation away from the mean.
Mathematics
2 answers:
morpeh [17]3 years ago
7 0

Answer:

36.7

Step-by-step explanation:

If the value is −1 standard deviation from the mean, the z-score is −1.

−1−8.336.7===x1−458.3x1−45x1

The value 36.7 is −1 standard deviation from the mean.

vovikov84 [41]3 years ago
3 0

One standard deviation below the mean is 36.7

One standard deviation above to mean is 53.3


Idk which one your looking for

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In the data set below, what is the interquartile range?<br> 7<br> 1<br> 5<br> 5<br> 9<br> Submit
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Answer:

5

Step-by-step explanation:

The interquartile range is the difference between the upper quartile and the lower quartile.

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The median is the middle value of the data set arranged in ascending order

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       ↑ median

The lower quartile is the middle value of the data to the left of the median. If there is not an exact middle then it the average of the values on either side of the middle.

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Thus

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