Answered: Objectives choose (A,B,C,D) A sample…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

Objectives choose (A,B,C,D)

A sample of 400 Regina households is selected and several variables are recorded. Which of the following statements is correct?

A) Total household income is interval level data.

B) Socioeconomic status (recorded as low income or middle income or high income is nominal level data.

C) The number of people living in a household is a discrete variable.

D) The primary language spoken in the household is ordinal level data.

Using the are based on the following sample of ages (in months) of 18 children at a day care 36, 42, 18, 32, 22, 22, 25, 29, 30, 31, 19, 24, 35, 29, 26, 36, 24, 28

i) The median age of the children is... A) 29 B) 28.2 C) 30.5 D) 28.5 E) 31

ii)The interquartile range for this data set is... A) 8 B) 12 C) 16 D) 20 E) 9.25

iii) The standard deviation of the age of children is... A) 41.24 B) 6.42 C) 10.20 D) 6.24

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.

Expert Solution