A survey was conducted among students from a university and the respondents were asked how many friends they have in a certain social networking site. A random sample of 20 students had the following...


A survey was conducted among students from a university and the respondents were asked how many friends they have in a<br>certain social networking site. A random sample of 20 students had the following answers:<br>143, 145, 97, 120, 143, 135, 100, 67, 45, 112, 108, 120, 154, 132, 86, 530, 450, 312, 190, 211<br>What is the mean number of friends of the sample?<br>A) 176<br>B) 157<br>c) 185<br>D) 170<br>

Extracted text: A survey was conducted among students from a university and the respondents were asked how many friends they have in a certain social networking site. A random sample of 20 students had the following answers: 143, 145, 97, 120, 143, 135, 100, 67, 45, 112, 108, 120, 154, 132, 86, 530, 450, 312, 190, 211 What is the mean number of friends of the sample? A) 176 B) 157 c) 185 D) 170

Jun 02, 2022
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