Question
The table below shows the scores of a group of students on a 10-point quiz. Test...
The table below shows the scores of a group of students on a
10-point quiz.
| Test Score | Frequency |
|---|---|
| 3 | 2 |
| 4 | 2 |
| 5 | 1 |
| 6 | 4 |
| 7 | 3 |
| 8 | 4 |
| 9 | 2 |
| 10 | 5 |
The mean score on this test is: __________
The median score on this test is: _________
Box 1: Enter your answer as an integer or decimal number.
Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Box 2: Enter your answer as an integer or decimal number.
Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Homework Answers
Answer #1
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The table below shows the scores of a group of students on a 10-point quiz. ...
The table below shows the scores of a group of students on a
10-point quiz.
Test Score
Frequency
3
3
4
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5
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2
7
2
8
3
9
0
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Annual high temperatures in a certain location have been tracked for several years. Let XX represent...
Annual high temperatures in a certain location have been tracked
for several years. Let XX represent the year and YY the high
temperature. Based on the data shown below, calculate the
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x
y
4
46.84
5
40.02
6
38.5
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34.88
8
35.16
9
32.54
10
28.52
11
24.6
12
21.98
13
20.66
14
17.54
15
13.82
16
11.7
y =________ x + __________
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x
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5
25.8
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[three decimal accuracy]
[three decimal accuracy]
Box 1: Enter your answer as a whole or decimal number. Examples:
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Enter DNE for Does Not Exist, oo for Infinity
Box 2: Enter your answer as a whole or decimal number. Examples:
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Enter DNE for Does Not Exist, oo...
A well-known brokerage firm executive claimed that 20% of investors are currently confident of meeting their...
A well-known brokerage firm executive claimed that 20% of
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Test the claim that the proportion of people who are confident is
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The null and alternative hypothesis would be:
H0:p≤0.2H0:p≤0.2
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H0:μ=0.2H0:μ=0.2
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Lacy draws a diamond from a standard deck of 52 cards. Without replacing the first card,...
Lacy draws a diamond from a standard deck of 52 cards. Without
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The table to the right shows the relative frequencies of the scores of a group of...
The table to the right shows the relative frequencies of the
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Relative Frequency 5% 15% 16% 23% 41%
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(b) Find the median quiz score
The maintenance department at the main campus of a large state university receives daily requests to...
The maintenance department at the main campus of a large state
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lightbulbs. The distribution of the number of daily requests is
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Using the 68-95-99.7 rule, what is the approximate percentage of
lightbulb replacement requests numbering between 31 and 39? Do not
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Box 1: Enter your answer as an integer...
Test the claim that the proportion of people who own cats is significantly different than 10%...
Test the claim that the proportion of people who own cats is
significantly different than 10% at the 0.05 significance
level.
The null and alternative hypothesis would be:
H0:p≤0.1H0:p≤0.1
H1:p>0.1H1:p>0.1
H0:μ≤0.1H0:μ≤0.1
H1:μ>0.1H1:μ>0.1
H0:μ=0.1H0:μ=0.1
H1:μ≠0.1H1:μ≠0.1
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H1:p<0.1H1:p<0.1
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H1:μ<0.1H1:μ<0.1
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H1:p≠0.1H1:p≠0.1
The test is:
right-tailed
two-tailed
left-tailed
Based on a sample of 100 people, 3% owned cats
The p-value is: (to 2 decimals)
Based on this we:
Fail to reject the null hypothesis
Reject the null hypothesis
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Box 1:...
A political discussion group consists of 9 Democrats and 6 Republicans. Five members are selected...
A political discussion group consists of 9 Democrats and 6
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Enter a reduced fraction.
Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as
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Enter DNE for Does Not Exist, oo for Infinity
The data below are the quiz scores of 10 randomly selected statistics students and the number...
The data below are the quiz scores of 10 randomly selected
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