Average

Published on May 2016 | Categories: Documents | Downloads: 34 | Comments: 0 | Views: 338
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Average Mean, Median and Mode

1. The sum of two numbers is 66. The larger number is three less than twice

the smaller number. Find the numbers. 23 and 13
2. If a car journey of 420 miles takes 7 hours, what is the average speed of the car? 1) 55mph 2) 60mph 3) 65mph 4) 70mph 1. On average 1 out of every 25 pottery mugs made by a factory is rejected. How many will be rejected if the factory makes 600 mugs? 1) 24 2) 28 3) 32 4) 34

2. In a Grocery store, AJ sold 17 on Monday, 35 on Tuesday, 40 on Wednesday, 13 on Thursday, and 26 on Friday. What was her average sales per day? 32.75

3. On Jessica's first three tests she had an average of 72. If she wants to raise that average by 4 points, what must she get on her fourth test? 88

1. The chart below shows the times in minutes that three runners had in their three trials for the one mile track race. Trial 1 Enrique Monique Sam 8 9 10 Trial 2 7 6 12 Trial 3 7 6 9 Trial 4 9 7 11

a) What was Monique's Mean time? 7 b) What was Sam s Median time? 10.5 c) What was Enrique s Mode time? 7

d) Whose Mean time is the highest? sam

1) The average of three numbers is 24. If two of the numbers are 21 and 23, what is the third number? a) 20 b) 24 c) 26 d) 28 e) 30

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