Mathematics

Statistics

Grade 10 · High School

Answer every question first, then press Finish to see your score and explanations.

Question 1 of 20Easy
The mean of the data $4, 6, 8, 10, 12$ is ...
Question 2 of 20Easy
The median of the data $3, 5, 7, 9, 11$ is ...
Question 3 of 20Easy
The mode of the data $2, 3, 3, 4, 5, 3$ is ...
Question 4 of 20Easy
The range of the data $4, 7, 9, 15$ is ...
Question 5 of 20Easy
The mean of the data $5, 7, 8, 10$ is ...
Question 6 of 20Easy
The median of the data $4, 1, 3, 2, 5$ is ...
Question 7 of 20Medium
The median of the data $2, 4, 5, 6, 7, 8, 9, 10$ is ...
Question 8 of 20Medium
The mean of the data $7, 8, 8, 9, 10, 12$ is ...
Question 9 of 20Medium
The mode of the data $1, 2, 2, 3, 3, 3, 4, 4$ is ...
Question 10 of 20Medium
The first quartile (Q1) of the data $2, 4, 4, 5, 6, 7, 8, 9$ is ...
Question 11 of 20Medium
The mean of 5 data is 8. The sum of all the data is ...
Question 12 of 20Medium
The mean of 5 data is 12. If one more value of 18 is added, the new mean is ...
Question 13 of 20Medium
The range of the data $12, 15, 11, 18, 14, 20$ is ...
Question 14 of 20Medium
The third quartile (Q3) of the data $2, 4, 4, 5, 6, 7, 8, 9$ is ...
Question 15 of 20Hard
The variance of the data $2, 4, 6, 8$ is ...
Question 16 of 20Hard
The standard deviation of the data $3, 4, 5, 6, 7$ is ...
Question 17 of 20Hard
The mean score of 15 students is 70 and the mean of another 5 students is 90. The mean of all students is ...
Question 18 of 20Hard
The interquartile range of the data $2, 4, 4, 5, 6, 7, 8, 9$ is ...
Question 19 of 20Hard
The mean of 8 data is $6.5$ . After one value is removed, the mean of the remaining 7 data is 6. The removed value is ...
Question 20 of 20Hard
The third quartile (Q3) of the data $4, 5, 5, 6, 7, 8, 8, 9, 10, 11$ is ...

0/20 answered