Millie bought 6 books at a book fair. The average cost of 3 books was Rp 50.000,00. The total cost of the other 3 books is Rp 180.000,00. The average cost of 6 books is ….
Rp 55.000,00
In a test, the average score of Jono, Joni, and Jeni is 85. Jono’s score is 80 and Joni’s score is 84. So, Jeni’s score is ….
91
Find the median of: 1, 4, 5, 6, 8, 14
5.5
The number in the midlle of the sorted data is called ....
Median
The average is called ....
Mean
Find the mean of: 2, 5, 2, 5, 9, 4
4.5
Find the mode of: 4, 2, 7, 3, 4, 3, 5, 3, 2, 7, 3
3
The difference between the greatest number and the smallest number in a set of data is called ....
Range
There are 1 dozen pears in a carton. The average mass of all the pears is 200 grams. The total mass of the pears in the carton is … kg.
2.4
Tora sat for 4 tests in school. His scores were 8.2 , 8.3 , 8.1 , and 7.4. The average score for the 4 tests was ....
8
My mom is a baker. She takes 45 minutes to bake a cake. She has to bake 25 cakes for a party. So, she would take … hours ... minutes to bake all of the cakes.
18 hours 45 minutes
Find the range of: 8, 4, 11, 9, 5, 13, 7
9
The number that appears the most is ....
Mode
The average height of Rina and Rani is 155 cm. Rina is 6 cm shorter than Rani. What is the height of Rani!
158 cm
After 4 tests, Pat’s mean score is 82. How much must Pat score in her 5th test if she wants to increase her mean score to 85?
97
Evelyn made 3.5 litres of apple juice and poured it into 7 bottles. The average amount of juice in each bottle was … litres.
0.5
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