From the population of the 300 studentscores above a random sample of size n = 8 is selected. The sampledata is shown below.56769672645692921The sample mean x is,a73.10b74.3575.50d76.852The sample variance,a267.14b250.45242.86d233.753If you take repeated samples of size n = 8 from the above population score data, the expected value of xis,a78.10b76.9675.64d74.494If you take repeated samples of size n = 8 from the above population score data, the variance of x is,a31.4333.39267.14233.75

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From the population of the 300 student scores above a random sample of size n = 8 is selected. The sample data is shown below. 56 76 96 72 64 56 92 92 The sample mean š is, 1 73.10 b. 74.35 75.50 76.85 2 The sample variance, 267.14 b 250.45 242.86 233.75

From the population of the 300 student scores above a random sample of size n = 8 is selected. The sample data is shown below. 56 76 96 72 64 56 92 92 The sample mean š is, 1 73.10 b. 74.35 75.50 76.85 2 The sample variance, 267.14 b 250.45 242.86 233.75

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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Concept explainers

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

From the population of the 300 studentscores above a random sample of size n = 8 is selected. The sample
data is shown below.
56
76
96
72
64
56
92
92
1
The sample mean x is,
a
73.10
b
74.35
75.50
d
76.85
2
The sample variance,
a
267.14
b
250.45
242.86
d
233.75
3
If you take repeated samples of size n = 8 from the above population score data, the expected value of x
is,
a
78.10
b
76.96
75.64
d
74.49
4
If you take repeated samples of size n = 8 from the above population score data, the variance of x is,
a
31.43
33.39
267.14
233.75

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