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I need help on how to do the question in the picture

I need help on how to do the question in the picture-example-1
User Fryer
by
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1 Answer

7 votes

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

mean = 51 minutes

standard deviation = 5 minutes

interval 68% = ?

Step 02:

Range for 68% of the data values:

51 + 5 = 56

51 - 5 = 46

68% of the data values will fall within 1 standard deviation of the mean, from 46 to 56.

The answer is:

( 46 , 56 )

User Damien C
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6.7k points