Compare two groups using centre and spread

Question 1

Minutes of daily reading. Kwame's group: 10, 15, 22, 24, 17, 26, 11. Liam's group: 15, 22, 28, 30, 25, 34, 18. Using medians, which group typically reads for longer?

• A. Kwame's group
• B. Liam's group
• C. They are the same

Question 2

Class A's mean height is 152 cm and Class B's is 160 cm. Both have a mean absolute deviation of 4 cm. The difference in means is how many MADs?

Answer 

Question 3

Two basketball players' points per game: Noah has median 18 and IQR 12; Zara has median 18 and IQR 17. Who is more consistent?

• A. Noah
• B. Zara

Question 4

Minutes of daily reading. Ravi's group: 21, 22, 24, 27, 14, 18, 29. Kofi's group: 33, 33, 33, 36, 23, 29, 41. Using medians, which group typically reads for longer?

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

Question 5

Class A's mean height is 150 cm and Class B's is 154 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: Grace has median 18 and IQR 9; Daniel has median 18 and IQR 11. Who is more consistent?

• A. Grace
• B. Daniel

Question 7

Minutes of daily reading. Grace's group: 26, 30, 21, 30, 11, 13, 25. Aisha's group: 32, 33, 25, 37, 18, 18, 28. Using medians, which group typically reads for longer?

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

Question 8

Class A's mean height is 151 cm and Class B's is 163 cm. Both have a mean absolute deviation of 4 cm. The difference in means is how many MADs?

Answer 

Question 9

Two basketball players' points per game: Priya has median 18 and IQR 6; Kofi has median 18 and IQR 8. Who is more consistent?

• A. Priya
• B. Kofi

Question 10

Minutes of daily reading. Daniel's group: 19, 25, 25, 19, 21, 27, 20. Hana's group: 29, 33, 35, 26, 29, 34, 26. Using medians, which group typically reads for longer?

• A. Daniel's group
• B. Hana's group
• C. They are the same

Question 11

Class A's mean height is 149 cm and Class B's is 159 cm. Both have a mean absolute deviation of 5 cm. The difference in means is how many MADs?

Answer 

Question 12

Two basketball players' points per game: Arjun has median 18 and IQR 12; Lucia has median 18 and IQR 17. Who is more consistent?

• A. Arjun
• B. Lucia

Question 13

Minutes of daily reading. Ava's group: 17, 27, 28, 18, 25, 20, 11. Aisha's group: 22, 29, 32, 24, 30, 22, 13. Using medians, which group typically reads for longer?

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

Question 14

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 15

Two basketball players' points per game: Ines has median 18 and IQR 7; Priya has median 18 and IQR 5. Who is more consistent?

• A. Ines
• B. Priya

Question 16

Minutes of daily reading. Jamal's group: 15, 18, 26, 27, 19, 12, 19. Grace's group: 19, 23, 30, 34, 26, 18, 25. Using medians, which group typically reads for longer?

• A. Jamal's group
• B. Grace's group
• C. They are the same