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1 of 8 0-day streak

Construct and read back-to-back stem-and-leaf plots

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
count observations; whole-number key, left groupfind the minimum; whole-number key, left groupfind the maximum; whole-number key, left groupfind the median; whole-number key, left groupfind the range; whole-number key, left groupcount observations; whole-number key, right groupfind the minimum; whole-number key, right groupfind the maximum; whole-number key, right groupfind the median; whole-number key, right groupfind the range; whole-number key, right groupcount observations; decimal key, left groupfind the minimum; decimal key, left groupfind the maximum; decimal key, left groupfind the median; decimal key, left groupfind the range; decimal key, left groupcount observations; decimal key, right groupfind the minimum; decimal key, right groupfind the maximum; decimal key, right groupfind the median; decimal key, right groupfind the range; decimal key, right groupNOWMix of allRecommended
Question 1 of 8

No calculator

The back-to-back stem plot below shows the marks, out of 100, scored by students in a class test for Class A and Class B

Class AClass B
22 9
35 9
242 5 9
9 8 6 355
2 062
Key: Class A (left): 2 | 4 means 42
Class B (right): 2 | 2 means 22
1 mark

Find the middle value for Class B