MATLAB: A Practical Introduction to Programming and Problem Solving
5th Edition
ISBN: 9780128154793
Author: Stormy Attaway Ph.D. Boston University
Publisher: Elsevier Science
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Chapter 4, Problem 18E
To determine
To write:
The script using a single nested if-else statement (elseif clause is permitted) in which, the user is supposed to enter either a ‘y’ or ‘n’ in response to a prompt. The user’s input is read into a character variable called letter. The script will print “OK, continuing” if the user enters either a ‘y’ or ‘Y’ or it will print “OK, halting” if the user enters an ‘n’ or ‘N’ or “Error” if the user enters anything else.
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Find an article about simple linear regression and give a short summary about it.
Ho: μ = 22
-
H₁:22
x = 25.1, n = 59, σ = 8.45, α = .01
a. Use the data given to test the following hypotheses. (Round your answer to 2 decimal places, e.g. 15.25.)
The value of the test statistic is
and we
b. Use the p-value to reach a statistical conclusion. (Round your answer to 4 decimal places, e.g. 0.1254.)
Since the p-value of
is
than a/2 = .005, the decision is to:
Appendix A Statistical Tables
c. Using the critical value method, what are the critical sample mean values? (Round your answer to 3 decimal places, e.g. 15.254.)
Critical mean values:
Upper value:
Lower value:
-
Ho=25
H:25
x = 28.1, n = = 55, σ = 8.47, α = .01
a. Use the data given to test the following hypotheses. (Round your answer to 2 decimal places, e.g. 15.25.)
The value of the test statistic is
and we
b. Use the p-value to reach a statistical conclusion. (Round your answer to 4 decimal places, e.g. 0.1254.)
Since the p-value of
is
than a/2 = .005, the decision is to:
Appendix A Statistical Tables
c. Using the critical value method, what are the critical sample mean values? (Round your answer to 3 decimal places, e.g. 15.254.)
Critical mean values:
Upper value:
Lower value:
Chapter 4 Solutions
MATLAB: A Practical Introduction to Programming and Problem Solving
Ch. 4 - Prob. 4.1PCh. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Prob. 4.4PCh. 4 - Prob. 4.5PCh. 4 - Prob. 1ECh. 4 - Prob. 2ECh. 4 - Prob. 3ECh. 4 - Prob. 4ECh. 4 - Prob. 5E
Ch. 4 - Prob. 6ECh. 4 - Prob. 7ECh. 4 - Prob. 8ECh. 4 - Prob. 9ECh. 4 - Prob. 10ECh. 4 - Prob. 11ECh. 4 - Prob. 12ECh. 4 - Prob. 13ECh. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - Prob. 16ECh. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Prob. 19ECh. 4 - Prob. 20ECh. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Prob. 27ECh. 4 - Prob. 28ECh. 4 - Prob. 29ECh. 4 - Prob. 30ECh. 4 - Prob. 31E
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- The customer help center in your company receives calls from customers who need help with some of the customized software solutions your company provides. Your company claims that the average waiting time is 7 minutes at the busiest time, from 8 a.m. to 10 a.m., Monday through Thursday. One of your main clients has recently complained that every time she calls during the busy hours, the waiting time exceeds 7 minutes. You conduct a statistical study to determine the average waiting time with a sample of 35 calls for which you obtain an average waiting time of 8.15 minutes. If the population standard deviation is known to be 4.2 minutes, and a = 0.05, the p-value is approximately 0.05 0.025 ○ 0.053 ○ 0.10 ○ 0.026arrow_forwardThe procedures for doing hypothesis testing of proportions and hypothesis testing of means are similar, but what is one of the differences they have ?arrow_forwardThe p-value is the probability of a statistic being at most as extreme as the observed value when Ho is false. the probability that the alternative hypothesis is true. O the probability that the null hypothesis is true. O the probability of a statistic being at most as extreme as the observed value when Ho is true. O the probability of a statistic being at least as extreme as the observed value when Ho is true.arrow_forward
- Why the correct answer in 9b is 1/150? What is the solution to the answer?arrow_forwardHow to get the answer in question 8 letter c? What is the solution to get the answer of 12.6?arrow_forwardThe daily sales (in hundreds of dollars) for a store in one month (30 days) are: 15, 22, 18, 25, 19 12, 17, 24, 20, 23 30, 28, 26, 31, 35 21, 19, 27, 18, 20 16, 15, 32, 30, 17 24, 29, 22, 33, 25 a. Construct a grouped frequency distribution with class intervals of width 5 starting from 12. b. Draw a histogram and state whether the data is symmetric, skewed left, or skewed right. Instruction: 1. Please answer the question given above for your tutorial participation mark. 2. Please upload your hand-written answers (pdf format).arrow_forward
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