HW 2 Ch. 2.1 - 2.2
Authored by Amanda Phillips
Mathematics
University
CCSS covered
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24 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A dotplot of the glucose readings from 132 people (from NHANES) is shown. Some doctors recommend that glucose readings not be above 120 mg/dl.
How many of these people have glucose readings above 120 mg/dl?
Tags
CCSS.6.SP.B.5
CCSS.6.SP.A.2
CCSS.6.SP.B.4
CCSS.6.SP.A.1
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
A dotplot of the glucose readings from 132 people (from NHANES) is shown. Some doctors recommend that glucose readings not be above 120 mg/dl.
What percentage of these people have glucose readings above 120 mg/dl?+
(Give your answer as a percentage, rounded to the nearest hundredth.)
Tags
CCSS.6.SP.B.5
CCSS.6.SP.A.2
CCSS.6.SP.B.4
CCSS.6.SP.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The histogram shown is for number of calories in a sample of fast-food items.
What is the bin width of the histogram?
0.05
100
200
1300
Tags
CCSS.6.SP.B.5
CCSS.6.SP.B.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The histogram shown is for number of calories in a sample of fast-food items.
Which of these best describes the shape of the histogram?
Unimodal and right-skewed.
Unimodal and left-skewed.
Bimodal and right-skewed.
Bimodal and left-skewed.
Tags
CCSS.6.SP.B.5
CCSS.6.SP.A.2
CCSS.6.SP.B.4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The histogram shown is for number of calories in a sample of fast-food items.
Approximately what percentage of the fast-food items contained fewer than 300 calories?
0.05
0.13
0.18
0.82
Tags
CCSS.6.SP.B.5
CCSS.6.SP.A.2
CCSS.6.SP.B.4
CCSS.6.SP.A.1
CCSS.6.SP.A.3
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
The distribution of in-state annual tuition for all colleges and universities in the United States is bimodal. What is one possible reason for this bimodality?
Tags
CCSS.6.SP.A.2
CCSS.6.SP.A.1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The histogram shows the distribution of the number of siblings (brothers and sisters) for 2000 adults surveyed in the 2012 General Social Survey.
Which of these best describes the shape of the distribution?
Unimodal and right-skewed.
Unimodal and symmetric.
Unimodal and left-skewed.
Multimodal.
Tags
CCSS.6.SP.B.5
CCSS.6.SP.A.2
CCSS.6.SP.B.4
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