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MATH01204
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Quiz 1b
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Quiz 1b
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Started: Jan 23 at 2:39pm
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Question 1
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A student is in the process of using the equal sharing strategy to find the mean
of 120, 119, 142, and 131. The student’s partial work is shown below. What
value should the student write in place of the x?
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only numerical values are
accepted
128
Question 2
1 pts
A student is in the process of using the equal sharing strategy to find the mean
of 86, 90, 68, 75, and 70. The student’s partial work is shown below. What value
should the student write in place of the x?
Question 3
1 pts
What is the mean height of the four towers of cubes shown below?
Question 4
1 pts
The mean of five numbers is 28. After another number was added to the list, the
mean of the six numbers was 27. What number was added to the list? (Round
your answer, if needed, to the nearest whole number.)
Question 5
1 pts
The mean weight of 23 box turtles is 1.5 pounds. What is the combined weight
of those 23 box turtles? (Round your answer, if needed, to the nearest tenth of a
pound.)
Question 6
1 pts
Luke is a server at a restaurant. He earned $100 on Monday, $55 on Tuesday,
$155 on Wednesday, $80 on Thursday, and $90 on Friday. What was his average
(mean) earnings for the week? (Round your answer, if needed, to the nearest
dollar. For example, if you answer is $25.32, enter 25. Also, do not enter a dollar
sign and do not enter a decimal point.)
Question 7
1 pts
The mean score for the first 3 of Sara’s exams was 88. Sara received a 96 on the
fourth exam. All 4 of her exams are weighted equally. What is the mean of her
four exam scores? (Round the answer, if needed, to the nearest whole number.)
Question 8
1 pts
If the mean of 27 numbers is 89, is it possible that none of the numbers is 89?
Yes
No
Question 9
1 pts
If the mean of 36 numbers is 105, is it possible for all of the numbers to be
greater than 105?
Yes
No
Question 10
1 pts
If the mean of 25 numbers is 54, is it possible that exactly one number is 54?
Yes
No
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data values
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average earning
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