Answered

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Chawrdi's mom has a guideline that she can spend no more than a mean of 3.5 hours playing video games per day. Chawrdi constructs a graph of her video-game use for a six-day period. Which of the following interpretations of the data is correctly used to justify whether or not Chawrdi met her mom’s guideline for the mean number of hours she could play video games per day? Chawrdi complied with the guideline because the mean number of hours played is 2+1+4+5+0+76≈3.17 . Answer A: Chawrdi complied with the guideline because the mean number of hours played is the fraction with numerator 2 plus 1, plus 4, plus 5, plus 0, plus 7, and denominator 6, is approximately equal to 3.17 . A Chawrdi complied with the guideline because the number of hours played, in order, is 0,1,2,4,5,7 , resulting in a median of 3 hours. Answer B: Chawrdi complied with the guideline because the number of hours played, in order, is 0, 1, 2, 4, 5, and 7 , resulting in a median of 3 hours. B Chawrdi did not meet the guideline because on 3 days she played more than 3.5 hours. Answer C: Chawrdi did not meet the guideline because on 3 days she played more than 3.5 hours. C Chawrdi did not meet the guideline because the mean number of hours played is 2+1+4+5+75=3.8 .

Sagot :

Using the mean concept, it is found that the correct option is:

A. Chawrdi complied with the guideline because the mean number of hours played is approximately equal to 3.17.

  • The mean of a data-set is given by the sum of all observations in the data-set divided by the number of observations.

In this problem:

  • On the six-day period, the observations, that is the number of hours he played each day are given by: 2, 1, 4, 5, 0 and 7.

The mean is:

[tex]M = \frac{2 + 1 + 4 + 5 + 0 + 7}{6} = \frac{19}{6} = 3.17[/tex]

Mean is less than 3.5, thus she complied with the guidelines, and the correct option is:

A. Chawrdi complied with the guideline because the mean number of hours played is approximately equal to 3.17.

A similar problem is given at https://brainly.com/question/24787716

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