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Tasya [4]
3 years ago
9

The mean height of a group of students is 1.65 meter. Explain what this means.

Mathematics
1 answer:
Readme [11.4K]3 years ago
8 0

"Mean" is the average number in a data set.

Since the mean height in a group of students is 1.65 meters, that is the average height in that group.

Best of Luck!

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Answer:

see explaination

Step-by-step explanation:

Using the formulla that

sum of terms number of terms sample mean -

Gives the sample mean as \mu=17.954

Now varaince is given by

s^2=\frac{1}{50-1}\sum_{i=1}^{49}(x_i-19.954)^2=9.97

and the standard deviation is s=\sqrt{9.97}=3.16

b) The standard error is given by

\frac{s}{\sqrt{n-1}}=\frac{3.16}{\sqrt{49}}=0.45

c) For the given data we have the least number in the sample is 12.0 and the greatest number in the sample is 24.1

Q_1=15.83, \mathrm{Median}=17.55 and Q_3=19.88

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As there is no such number so the given sample has no outliers

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