A business class surveyed college students about the cost (in dollars) of their most recent haircuts. The resulting data is summ
arized in the table below. Which data representations can you make using the information above? Select all that apply
Question 1 options:
histograms
box plots
dot plots
2. Which of the following statistics could you find given the information above (see question #1)? Select all that apply.
Question 2 options:
range
mode
standard deviation
interquartile range
3. What does the data above (see question #1) tell you about the difference in haircut costs between women and men? You may want to discuss similarities or differences in the shape, center, and spread of the data. Explain your reasoning and give mathematical evidence to support any claim that you make. If you draw any charts (or create them online) you may insert the image or add a file to your response.
4. For both women and men, the mean cost is greater than the median cost. Why do you think the data has this result? Explain your reasoning.
5. Is the mean or the median a better measure of center for the data in the table? In other words, would you fill in the blanks of this sentence with the mean values or the median values?
"The data shows that women typically spend about ____ on haircuts, and men typically spend about ____ on haircuts."
Explain the reasoning behind your choice.
Question 1 options:
histograms
box plots
dot plots
2. Which of the following statistics could you find given the information above (see question #1)? Select all that apply.
Question 2 options:
range
mode
standard deviation
interquartile range
3. What does the data above (see question #1) tell you about the difference in haircut costs between women and men? You may want to discuss similarities or differences in the shape, center, and spread of the data. Explain your reasoning and give mathematical evidence to support any claim that you make. If you draw any charts (or create them online) you may insert the image or add a file to your response.
4. For both women and men, the mean cost is greater than the median cost. Why do you think the data has this result? Explain your reasoning.
5. Is the mean or the median a better measure of center for the data in the table? In other words, would you fill in the blanks of this sentence with the mean values or the median values?
"The data shows that women typically spend about ____ on haircuts, and men typically spend about ____ on haircuts."
Explain the reasoning behind your choice.
1 answer:
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Answer:
The train need to leave Portland at 03:27 am
Step-by-step explanation:
step 1
Find out how long it takes the train to travel from Portland, Oregon, to Los Angeles, California
Remember that
The speed is equal to divide the distance by the time
so
The time is equal to divide the distance by the speed
Let
s ---> the speed in miles per hour
d ---> the distance in miles
t ---> the time in hours
we have
substitute
step 2
Adds 30 minutes (time it takes to get from the train station to her aunt's house)
Remember that
Convert to minutes
step 3
Remember that
Convert to minutes
Subtract 993 minutes from 1,200 minutes
Convert to hours+minutes
so
therefore
The train need to leave Portland at 03:27 am