Compare Data
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Here are the means and standard deviations of yearly salaries for dental hygienists and helicopter pilots. What does this data tell you about starting salaries of these jobs? SELECT ALL that are true based on this data
Dental hygienists have a higher average salary but are less consistent. Most hygienists would fall between $81,000 and $111,000
Dental hygienists make about $15,000 a year but have a very large deviation meaning lots of variation.
Helicopter pilots have a slightly lower average of $81,241. However, they are more consistent because their standard deviation is a little lower.
Helicopter pilots make an average of $81,241 and their median is $12,000.
Helicopter pilots make about $12,000 per year but are over all happy
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which data set has a HIGHER mean, and what does that tell you about these athletes?
Skateboarders,
that tells me that there is a lot of variation in whether you will break a bone or not in that sport
Skateboarders,
that tells me on average they break more bones than rock climbers
Rock Climbers,
that tells me that there is a lot of variation in whether you will break a bone or not in that sport
Rock climbers,
that tells me on average they break more bones than skateboarders
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which data set has a HIGHER standard deviation, and what does that tell you about these athletes?
Skateboarders,
that tells me that there is a lot of variation in whether you will break a bone or not in that sport
Skateboarders,
that tells me on average they break more bones than rock climbers
Rock Climbers,
that tells me that there is a lot of variation in whether you will break a bone or not in that sport
Rock climbers,
that tells me on average they break more bones than skateboarders
4.
OPEN ENDED QUESTION
1 min • 1 pt
Inola says that since the standard deviations are similar, the temperature in Portland and Phoenix are also similar. What would you say to help Inola understand her mistake?
Evaluate responses using AI:
OFF
5.
DRAG AND DROP QUESTION
1 min • 1 pt
Based on this data, fill in the blanks below.
Based on the data shown it looks like (a) is over all the warmer city. I can tell this by looking at the (b) and seeing it is higher. However, if if you like a little bit more variety in the weather you should go to (c) I can tell that there is a little more variety by seeing that the (d) is higher.
Phoenix
mean
Portland.
standard deviation
median
histogram
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the correlation for the following Scatter Plot.
Weak Positive
No Correlation
Strong Negative
Weak Negative
Strong Positive
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which store is likely to have the shampoo with the highest price?
DesGoods
DesMarket
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