Compare two groups using centre and spread

Question 1

Minutes of daily reading. Kofi's group: 27, 11, 17, 24, 19, 28, 11. Priya's group: 35, 17, 23, 33, 24, 34, 20. Using medians, which group typically reads for longer?

• A. Kofi's group
• B. Priya's group
• C. They are the same

Question 2

Class A's mean height is 151 cm and Class B's is 163 cm. Both have a mean absolute deviation of 3 cm. The difference in means is how many MADs?

Answer 

Question 3

Two basketball players' points per game: Yuki has median 18 and IQR 11; Luis has median 18 and IQR 13. Who is more consistent?

• A. Yuki
• B. Luis

Question 4

Minutes of daily reading. Zoe's group: 20, 22, 29, 16, 16, 28, 23. Maya's group: 28, 28, 34, 25, 21, 33, 28. Using medians, which group typically reads for longer?

• A. Zoe's group
• B. Maya's group
• C. They are the same

Question 5

Class A's mean height is 158 cm and Class B's is 162 cm. Both have a mean absolute deviation of 2 cm. The difference in means is how many MADs?

Answer 

Question 6

Two basketball players' points per game: Hiro has median 18 and IQR 12; Ethan has median 18 and IQR 10. Who is more consistent?

• A. Hiro
• B. Ethan

Question 7

Minutes of daily reading. Chloe's group: 11, 26, 22, 24, 12, 13, 15. Luis's group: 17, 30, 29, 30, 15, 18, 19. Using medians, which group typically reads for longer?

• A. Chloe's group
• B. Luis's group
• C. They are the same

Question 8

Class A's mean height is 159 cm and Class B's is 165 cm. Both have a mean absolute deviation of 2 cm. The difference in means is how many MADs?

Answer 

Question 9

Two basketball players' points per game: Ava has median 18 and IQR 6; Grace has median 18 and IQR 3. Who is more consistent?

• A. Ava
• B. Grace

Question 10

Minutes of daily reading. Noah's group: 12, 24, 22, 20, 24, 17, 13. Aisha's group: 19, 27, 29, 23, 30, 23, 17. Using medians, which group typically reads for longer?

• A. Noah's group
• B. Aisha's group
• C. They are the same

Question 11

Class A's mean height is 157 cm and Class B's is 163 cm. Both have a mean absolute deviation of 3 cm. The difference in means is how many MADs?

Answer 

Question 12

Two basketball players' points per game: Jamal has median 18 and IQR 7; Elena has median 18 and IQR 9. Who is more consistent?

• A. Jamal
• B. Elena

Question 13

Minutes of daily reading. Mei's group: 10, 19, 20, 22, 28, 25, 26. Chloe's group: 16, 25, 26, 25, 34, 29, 29. Using medians, which group typically reads for longer?

• A. Mei's group
• B. Chloe's group
• C. They are the same

Question 14

Class A's mean height is 154 cm and Class B's is 160 cm. Both have a mean absolute deviation of 2 cm. The difference in means is how many MADs?

Answer 

Question 15

Two basketball players' points per game: Amara has median 18 and IQR 10; Hana has median 18 and IQR 15. Who is more consistent?

• A. Amara
• B. Hana

Question 16

Minutes of daily reading. Amara's group: 24, 25, 10, 21, 23, 25, 26. Chloe's group: 32, 32, 16, 27, 28, 32, 34. Using medians, which group typically reads for longer?

• A. Amara's group
• B. Chloe's group
• C. They are the same