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Suppose the mean height in inches of all 9th grade students at one high school is estimated. The population standard deviation is 3 inches. The heights of 10 randomly selected students are 74, 68, 74,
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34 votes
34 votes
Suppose the mean height in inches of all 9th grade students at one high school is

estimated. The population standard deviation is 3 inches. The heights of 10
randomly selected students are 74, 68, 74, 73, 70, 61, 75, 61, 73 and 75.

User Daniel Dawes
by
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1 Answer

13 votes
13 votes

61+61+68+70+73+73+74+74+75+75

÷10

=704÷10

=70.4

Step-by-step explanation:

all data points are divided by the number of data points

User Monique De Haas
by
3.3k points
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