What is the sample size? Hint: Look at the degree of freedom. 12 11 cannot determine O 10
What is the sample size? Hint: Look at the degree of freedom. 12 11 cannot determine O 10
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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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
14

Transcribed Image Text:Use the following information to answer the question.
Studies show that since the pandemic started, screen time has increased
dramatically. Below is the R output produced from the data.
> t.test(screen_time, alternative = "greater", mu = 100)
One Sample t-test
data: screen_time
t - 1.6815, df - 11, p-value - 0.06041
alternative hypothesis: true mean is greater than 100
95 percent confidence interval:
95.69051
sample estimates:
mean of x
163.3333
Inf
What is the sample size? Hint: Look at the degree of freedom.
12
11
cannot determine
10
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