Which of the following statements are true? It is okay to use the median to estimate the mean since both are a measure of the center of a distribution.It is okay to use the standard deviation to estimate the IQR since both are measures of variability.Point estimates based on a sample are sometimes far from a parameter's value.i onlyii onlyiii onlyi and iii and iiii, ii, and iii

From the given options only third point is true a s per the point estimation. So option 3(iii only )…

Answered: Which of the following statements are…

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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Which of the following statements are true?

It is okay to use the median to estimate the mean since both are a measure of the center of a distribution.
It is okay to use the standard deviation to estimate the IQR since both are measures of variability.
Point estimates based on a sample are sometimes far from a parameter's value.

i only
ii only
iii only
i and ii
i and iii
i, ii, and iii

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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