# Indiana State University Surveys Statistics Questions

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I have three statistics questions that needs correct answers ASAP. Thank you. They are attached as pictures below. I just need correct answers.

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Honorlock
A recent General Social Survey asked 783 Americans if they found their job interesting and if they
were satisfied in their job.
Attempt due: Apr 24 at 3.10pm
1 Hour, 31 Minutes, 9 Seconds
vals
The results are given in the table below.
ferences
The rows are the response to the question about finding their job interesting and the columns are
the response to the question about being satisfied in their job.
e Calculator
Satisfied in Job, Yes
Satisfied in Job, No
Live Chat
Job Interesting, Yes
Job Interesting, No
680
29
Phone
39
35
Is there a difference in the true proportion of Americans who find their job interesting and are
satisfied in their job?
a. What type of problem is this? [Select ]
b. What proportion of participants are satisfied in their job? (Select]
< c. You are going to perform McNemar's Test. What is the sign in the alternative hypothesis? Note: In the answer choices "not =" stands for + [ Select] A d. Calculate the test statistic. [ [ Select] < e. Given the following two statements: I. The p-value = 0.2262. I can reject Ho and conclude that there is significant evidence of a difference in the true proportion of Ameri Il app.honorlock.com is sharing your screen. Stop sharing thaisia Hide Slonorlock Browser Guard™ lije 232 * STEL *0007 DOTS LOVENDSY VRIEN o B N M Mastering Question 4 Syllabus 15 pts non Question 8 acements Time Running: Hide Attempt due. Apr 24 at 3:10 pm 1 Hour, 31 Minutes, 30 Seconds Zoom Contences How many text messages do twelfth grade students send on average on a typical day? You think it is around 20 texts a day, but your friend thinks it is more than that. You decide to see if there is significant evidence that twelfth grade students send on average more than 20 texts a day. A random sample of 21 twelfth grade students is taken. The sample mean is 23.26 with a sample standard deviation of 12.68. A boxplot of the data does not have strong skewness or outliers. The hypotheses is as follows: 24/7 Proctoring Support Ho :μ = 20 Calculator H, :p> 20
7 Live Chat
Phone
a. What is the parameter?
Fill in the bank.
the
students. [Select ]
number of text messages sent on a typical day by twelfth grade
b. The test statistic is 1.18, what is the p-value? (Select ]
h
c. In order to make an inference about the population, which assumption is necessary for the data to
be representative of the population? (Select]
d. For this significance test, you fail to reject Ho and find no significant evidence that the true mean
number of texts sent on a typical day by twelfth graders is greater than 20. What type of error could
Il app.honorlock.com is sharing your screen.
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lagi

-0002EMTO LOVENJOY VARIE3•3A
ore
0
G
N
M
Some summary statistics are Id= -3.833 and sd = 7.884.
Is there significant evidence of a difference (Exam 2 – Exam 3) in the Exam 2 and Exam 3 scores for
STA 2023 students? You are going to perform a significance test with the following hypotheses.
HO : μα = 0
Hud 70
Where
Hid is the true mean difference in the Exam 2 and Exam 3 scores for STA 2023 students.
38
664
a. What does ēd estimate? [Select ]
3
b. Is it reasonable to use t procedures here? [Select]
>
c. What is the t test statistic? [ [ Select ]
d. The p-value is 0.120. What strength of evidence is there for the alternative hypothesis?
[ Select]
e. What would be a Type II Error for this significance test?
[ Select]
f. Based on the p-value of 0.120 for this significance test, what would you predict for the 95%
confidence interval calculated on the same set of data? [Select ]
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3 REIZELKIESEL
DOESNTO LOVENDSY 1910
DICK
14
R
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s
H
K K
G
B
N
M
Question 3
18 pts
Question 7
Question 8
our mes
Honete
In a recent STA 2023 class a random sample of 12 students were selected and their Exam 2 and
Exam 3 scores recorded. The data is in the table below.
Time Running Hide
Attempt due: Apr 24 at 3:10pm
1 Hour, 31 Minutes, 55 Seconds
GatorEvals
Student
1
2
3
28
4
ол
6
7
8
9
10
Zoom Conferences
Exam 2
11
91
12
76
97
73
67
94
94
58
82
58
Exam 3
97
82
79
82
97
87
70
88
97
63
E Calculator
97
73
Difference
94
9
82
-6
0
-14
-3
6
-3
-5
-15
-15
57 Live Chat
3
-3
Phone
Dotplots of the data are given below.
60
66
72
84
78
Exam 2
90
96
65
70
:
75
85
80
Exam 3
90
95
-16
-12
-8
0
4
8
Difference
Some summary statistics are ūd=-3.833 and sd = 7.884.
Is there significant evidence of a difference (Exam 2 – Exam 3) in the Exam 2 and Exam 3 scores for
STA 2023 students? You are going to perform a significance test with the following hypotheses.
Ho: ud
= 0
H: L2 0
Il app.honorlock.com is sharing your screen.
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lonorlock Browser Guard™
2345每年等等。
Sole
8
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a. What is the parameter?
Fill in the bank.
the
number of text messages sent on a typical day by twelfth grade
students. [Select ]
2.
604
b. The test statistic is 1.18, what is the p-value? [Select]
e
c. In order to make an inference about the population, which assumption is necessary for the data to
be representative of the population? [Select ]
V
d. For this significance test, you fail to reject Ho and find no significant evidence that the true mean
number of texts sent on a typical day by twelfth graders is greater than 20. What type of error could
e. If instead you performed a significance test to see if the true mean number of texts sent a day was
different than 20, what level of significance would the 90% confidence interval on the same set of
data agree with? [Select]
< Previous Next → Il app.honorlock.com is sharing your screen. Stop sharing Hide Luiz Slonorlock Browser Guard™ TERZLIKASI +000Z 4 LOVEADOV VPN 6 8 o D a H 7: B. N UE a. What type of problem is this? [Select b. What proportion of participants are satisfied in their job? (Select] 38 DOR c. You are going to perform McNemar's Test. What is the sign in the alternative hypothesis? 664 Note: In the answer choices "not =" stands for + [ Select ] d. Calculate the test statistic. [Select] e. Given the following two statements: 1. The p-value = 0.2262. I can reject Ho and conclude that there is significant evidence of a difference in the true prop tion Americans who find their job interesting and are satisfied in their job. II. One of the assumptions that is met for this McNemar's Test is that 29 + 39 = 68, which is at least 30. پا Which of the statements are true? [Select ] < Previous Next app.honorlock.com is sharing your screen. Stop sharing Hide Luiz >
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Tags:
standard deviation

statistics

Binomial Distribution

algebraic operations

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