Grade 7 HMH Go Math - Answer Keys Answer keys

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Grade 7 HMH Go Math - Answer Keys

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Independent Practice

Josie recorded the average monthly temperatures for two cities in the state where she lives. Use the data for 5–7.

Question 5 (request help)
For City 1, what is the mean of the average monthly temperatures? What is the mean absolute deviation of the average monthly temperatures?

	Mean :
	MAD :

Question 6 (request help)
What is the difference between each average monthly temperature for City 1 and the corresponding temperature for City 2?

°F

Question 7 (request help)
Draw Conclusions

Based on your answers to Exercises 5 and 6, what do you think the mean of the average monthly temperatures for City 2 is? What do you think the mean absolute deviation of the average monthly temperatures for City 2 is? Give your answers without actually calculating the mean and the mean absolute deviation. Explain your reasoning.

	Mean=		°F
	MAD		°F

Question 8 (request help)
What is the difference in the means as a multiple of the mean absolute deviations?

(MAD)

Question 9 (request help)
Make a Conjecture

The box plots show the distributions of mean weights of 10 samples of 10 football players from each of two leagues, A and B. What can you say about any comparison of the weights of the two populations? Explain.
Type below: