12) A survey asked 857 people how many times per week they dine out at a restaurant. Theresults are presented in the following table.Number of Times Frequency13612542233310447452162877Total857Consider the 857 people to be a population. Let X be the number of times per week aperson dines out for a person sampled at random from this population. Compute thestandard deviation.A) 1.9B) 2.1C) 1.5D) 2.3

The standard deviation is given as s=n∑ifixi2-∑ifixi2n(n-1) The total number of people are…

A survey asked 857 people how many times per week they dine out at a restaurant. The results are presented in the following table. Number of Times Frequency 136 1 254 2 233 3 104 4 74 21 28 7 7 Total 857 Consider the 857 people to be a population. Let X be the number of times per week a person dines out for a person sampled at random from this population. Compute the standard deviation. A) 1.9 B) 2.1 C) 1.5 D) 2.3

A survey asked 857 people how many times per week they dine out at a restaurant. The results are presented in the following table. Number of Times Frequency 136 1 254 2 233 3 104 4 74 21 28 7 7 Total 857 Consider the 857 people to be a population. Let X be the number of times per week a person dines out for a person sampled at random from this population. Compute the standard deviation. A) 1.9 B) 2.1 C) 1.5 D) 2.3

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

12) A survey asked 857 people how many times per week they dine out at a restaurant. The
results are presented in the following table.
Number of Times Frequency
136
1
254
2
233
3
104
4
74
5
21
6
28
7
7
Total
857
Consider the 857 people to be a population. Let X be the number of times per week a
person dines out for a person sampled at random from this population. Compute the
standard deviation.
A) 1.9
B) 2.1
C) 1.5
D) 2.3

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