1) The hourly wage for a group of employees (in U.S. dollars) is given in the table below:{12, 8, 14, 16, 15}a) Find the median:b) Find the Sample mean:c) Use the computational formula to find the sample standard deviation:x2ΣχEx2) The table shows the sample space for a mathematics classSexFreshmanSophomore JuniorSeniorTotalFemale(Fe)1524Male(M)10rigid7326Total25128.50If one student is selected at random from the class, find the probability that:a) The student is a freshman, P (Fr) =b) The student is female, P (Fe) =sigquqc) The student is male and sophomore, P (M and So) =vild) The student is either a female or a freshman, P (Fe or Fr) =

Answered: Image /qna-images/answer/1149fb7d-af11-43f2-832f-9fd582ee9106.jpgDATA DATA-MEAN (DATA-MEAN)2 12 -1 1 8 -5 25 14 1 1 16 3 9 15 2 4 Note: Please repost 2nd question as i can answer only 1 question as per my policy.

Math

Statistics

1) The hourly wage for a group of employees (in U.S. dollars) is given in the table below: {12, 8, 14, 16, 15} a) Find the median: b) Find the Sample mean: c) Use the computational formula to find the sample standard deviation: x

1) The hourly wage for a group of employees (in U.S. dollars) is given in the table below: {12, 8, 14, 16, 15} a) Find the median: b) Find the Sample mean: c) Use the computational formula to find the sample standard deviation: x

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

1) The hourly wage for a group of employees (in U.S. dollars) is given in the table below:
{12, 8, 14, 16, 15}
a) Find the median:
b) Find the Sample mean:
c) Use the computational formula to find the sample standard deviation:
x2
Σχ
Ex
2) The table shows the sample space for a mathematics class
Sex
Freshman
Sophomore Junior
Senior
Total
Female(Fe)
15
24
Male(M)
10
rigid
7
3
26
Total
25
12
8.
50
If one student is selected at random from the class, find the probability that:
a) The student is a freshman, P (Fr) =
b) The student is female, P (Fe) =
sigquq
c) The student is male and sophomore, P (M and So) =
vil
d) The student is either a female or a freshman, P (Fe or Fr) =

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