thanks for the help tutors ACTIVITY 4. EXPLORING MEASURES OF VARIATIONApply the procedures in Reading 3 to solve the measures of variation. Show your answerand solution inside the box.1. Ten students were asked the usual number of hours they spent in using their moollephones in a week. Their responses are 34, 12. 9.7. 25, 22. 15, 56, 2 and 42 hours. Find therange, variance and standard deviation.Page 14 of 18 PROBLEM SET. "LET'S TRY!" REAL-LIFE WORD PROBLEMSThis time you are very much prepared to accomplish the final assessment for this module. YoUgo back to page 1, "Let's Prepare" for the reminders and rubrics and be able to apply theskills learned in the lessons given. Use the space provided after the word problems.1. You flip four coins. Let a random variable X be the number of heads on all four coins.List the sample space for the experiment and construct a probability distribution.2. A survey was conducted in a certain barangay among 1000 families to determine thedistribution of families by size. The results are as follow:Family Size23Number of families 3007128.6.2092078069123Construct a probability distribution of random variable X, where X denotes the numberof persons in a randomly chosen family.3. Calculate the variance and standard deviation of the following test data by hand.Module Scores of 10 Students57 7522991533100 8162294. The data set below gives the waiting times (in minutes) of several students at the school'spayment center.111428136.10848Compute for the variance and standard deviation.5. The data set below gives the calories in a 1-ounce serving of several breakfast cereals.Compute for the variance and standard deviation.1101251351151201101101001056. Kevin and Cyra play the hand game Rock-Paper-Scissors. List the sample space for thisexperiment. Find the probability that Kevin will win if he chooses Rock.7. Two fair dice are rolled. List the sample space of the experiment. What is the probabilitythat the sum is 7?8. The top five Grade 11 students took a 100-item test with a passing score of 70. TheirScores are shown below.57751006299Two students were selected at random, list the sample space for the experiment. Whatis the probability that both students selected at random passed the exam?

Name: thanks for the help tutors ACTIVITY 4. EXPLORING MEASURES OF VARIATION
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Description: thanks for the help tutors ACTIVITY 4. EXPLORING MEASURES OF VARIATIONApply the procedures in Reading 3 to solve the measures of variation. Show your answerand solution inside the box.1. Ten students were asked the usual number of hours they spent in

(Activity 4) The data given are 34 , 12 , 9 , 7 , 25 , 22 , 15 , 56 , 2 , 42 Range is given by…

Math

Advanced Math

and sol Inside the box. 1. Ten students were asked the usual number of hours they spent in using Tner mo phones in a week. Their responses gre 34, 12. 9.7. 25, 22. 15, 56, 2 and 42 hours. Find ihe range, variance and standard deviation.

and sol Inside the box. 1. Ten students were asked the usual number of hours they spent in using Tner mo phones in a week. Their responses gre 34, 12. 9.7. 25, 22. 15, 56, 2 and 42 hours. Find ihe range, variance and standard deviation.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

thanks for the help tutors

ACTIVITY 4. EXPLORING MEASURES OF VARIATION
Apply the procedures in Reading 3 to solve the measures of variation. Show your answer
and solution inside the box.
1. Ten students were asked the usual number of hours they spent in using their moolle
phones in a week. Their responses are 34, 12. 9.7. 25, 22. 15, 56, 2 and 42 hours. Find the
range, variance and standard deviation.
Page 14 of 18

PROBLEM SET. "LET'S TRY!" REAL-LIFE WORD PROBLEMS
This time you are very much prepared to accomplish the final assessment for this module. YoU
go back to page 1, "Let's Prepare" for the reminders and rubrics and be able to apply the
skills learned in the lessons given. Use the space provided after the word problems.
1. You flip four coins. Let a random variable X be the number of heads on all four coins.
List the sample space for the experiment and construct a probability distribution.
2. A survey was conducted in a certain barangay among 1000 families to determine the
distribution of families by size. The results are as follow:
Family Size
2
3
Number of families 300
7
12
8.
6.
209
207
80
69
123
Construct a probability distribution of random variable X, where X denotes the number
of persons in a randomly chosen family.
3. Calculate the variance and standard deviation of the following test data by hand.
Module Scores of 10 Students
57 75
22
99
15
33
100 81
62
29
4. The data set below gives the waiting times (in minutes) of several students at the school's
payment center.
11
14
2
8
13
6.
10
8
4
8
Compute for the variance and standard deviation.
5. The data set below gives the calories in a 1-ounce serving of several breakfast cereals.
Compute for the variance and standard deviation.
110
125
135
115
120
110
110
100
105
6. Kevin and Cyra play the hand game Rock-Paper-Scissors. List the sample space for this
experiment. Find the probability that Kevin will win if he chooses Rock.
7. Two fair dice are rolled. List the sample space of the experiment. What is the probability
that the sum is 7?
8. The top five Grade 11 students took a 100-item test with a passing score of 70. Their
Scores are shown below.
57
75
100
62
99
Two students were selected at random, list the sample space for the experiment. What
is the probability that both students selected at random passed the exam?

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