drphildank
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Consider the following graph.


Stem-and-leaf plot of ages of college professors with key stem 5 with leaf 3 means 53. The plot includes the following data: stem 3 with leaves 0 and 2; stem 4 with leaves 1, 4, 4, and 5; stem 5 with leaves 3, 5, 8, and 9; stem 6 with leaves 2, 2, 2, 5, 6, and 8; and stem 7 with leaves 5, 5, and 6.



Calculate the mean.



Explain what the mean would signify for the entire population of college professors by using this sample.

Consider the following graph Stemandleaf plot of ages of college professors with key stem 5 with leaf 3 means 53 The plot includes the following data stem 3 wit class=

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quyenthao111

Answer:

the average age for the entire population of college professors is 56 years old

Answer:

The mean of the data set is 56.42.

The mean signify that the average age of college professors is about 56 years.

Step-by-step explanation:

The given stem-and-leaf plot represents the ages of college professors.

From the given stem-and-leaf plot we get the data set

30,32, 41, 44, 44, 45, 53, 55, 58, 59, 62, 62, 62, 65, 66, 68, 75, 75, 76

The formula for mean is

[tex]Mean=\frac{\sum x}{n}[/tex]

where, x are observations and n is sample size.

Using the formula, the mean of the given data set is

[tex]Mean=\frac{30+32+41+44+44+45+53+55+58+59+62+62+62+65+66+68+75+75+76}{19}[/tex]

[tex]Mean=\frac{1072}{19}[/tex]

[tex]Mean\approx 56.42[/tex]

The mean of the data set is 56.42.

The mean signify that the average age of college professors is about 56 years.

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