ISEE Practice problems
- The average score of 6 students is 98. We know 5 of their scores: 92,50,68,99,120. Find the sixth score.
- The average price of 7 items is $40.00. The average of 5 of them is $23.00. Find the average of the other 2 items.
- For what value of x does G(x)=0? For what value of x does G(x) have no solution?
- The chart below displays the number of pets that a group of students own.
Number of Students | Number of Pets |
6 | 2 |
12 | 0 |
10 | 1 |
5 | 3 |
3 | 5 |
2 | 4 |
1 | 7 |
Find the mean, median, mode, and range of the dataset.
- If 7a-7=ab-b, find the value of b.
- The chart below displays test scores for 30 students.
Find mean, median, mode, and range test score
Score | Number of Students |
80 | 5 |
85 | 6 |
60 | 1 |
70 | 2 |
100 | 4 |
90 | 1 |
95 | 1 |