Focus On Earth Science: California Grade 6

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1			Find the mean temperature if the high is 6°C and the low is -7°C. Need a Hint?
			A)	13°C
			B)	-1/2°C
			C)	-13°C
			D)	1/2°C
2			Find the mean temperature if the high is -1°C and the low is -9°C. Need a Hint?
			A)	5°C
			B)	8°C
			C)	-8°C
			D)	-5°C
3			Suppose you score 95 and 87 on two tests. What is your mean score? Need a Hint?
			A)	87
			B)	95
			C)	91
			D)	8
4			Find the mean age of inauguration of U.S. presidents. Inauguration ages of US Presidents: 57, 61, 57, 57, 58, 57, 61, 54, 68, 51, 49, 64, 50, 48, 65, 52, 56, 46, 54, 49, 51, 47, 55, 55, 54, 42, 51, 56, 55, 51, 54, 51, 60, 62, 43, 55, 56, 61, 52, 69, 64, 46, 54. Need a Hint?
			A)	54.8
			B)	43
			C)	69
			D)	42
5			Fred had the following grades on his quizzes: 9, 4, 7, 8, 9, 6. What was his average grade? Need a Hint?
			A)	4.5
			B)	7
			C)	7.2
			D)	9
6			The grade point averages of 10 students are listed below. Find the mean grade point average. 3.15, 3.62, 2.54, 2.81, 3.97, 1.85, 1.93, 2.63, 2.50, 2.80 Need a Hint?
			A)	1.85
			B)	2.78
			C)	3.97
			D)	2.12
7			The mean of a set of data is 174.25 and the sum of the data is 1,394. How many numbers are in the set? Need a Hint?
			A)	8
			B)	1219.75
			C)	10
			D)	6
8			The mean of a set of 7 numbers is 13. What is the sum of the numbers? Need a Hint?
			A)	71
			B)	20
			C)	5
			D)	91
9			The mean price of 5 items is $7.00. The prices of the first four items are $6.50, $8.00, $5.50 and $6.00. How much does the fifth item cost? Need a Hint?
			A)	$9.00
			B)	$5.50
			C)	$35.00
			D)	$7.00
10			The weights of 9 students, measured in pounds, are recorded below. Find the mean weight. 135, 120, 116, 119, 121, 125, 135, 131, 123 Need a Hint?
			A)	1125
			B)	116
			C)	135
			D)	125