7 QUESTIONS TOTAL. IF YOU ANSWER ALL, I WILL GIVE BRAINIEST, THANKS, AND 5 STARS. PLEASE ANSWER AS MANY AS POSSIBLE. MAKE SURE TO TELL ME WHICH QUESTIONS YOU ANSWER. LABEL THEM 1-7. 10 POINTS FOR EACH QUESTION!!!
Question 1: (10 points) The shoe sizes of a group of middle school girls are shown.
5.5 6 7 8.5 6.5
6.5 8 7.5 8 5
If a shoe size of 9 is added to the data, how does the median change?
-The median stays 6.75.
-The median increases to 6.75.
-The median stays 7.
-The median increases to 7.
Question 2: (Worth 10 points)
The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 42.5° is added to the data, how does the mean change and by how much?
- The means stays at 80.4°.
- The mean stays at 77.5°.
-The mean increases by 2.9°.
-The mean decreases by 2.9°.
Question 3: (Worth 2 points)
The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 82° is changed to 94°, which of the following measures changes the most and what is the new value?
- IQR 34°
-Range 48°
-Mean 81.4°
-Median 84°
Question 4:( Worth 10 points)
The shoe sizes of a group of middle school girls are shown.
5.5 6 7 8.5 6.5
6.5 8 7.5 8 5
If a shoe size of 7 is added to the data, how does the IQR change?
- The IQR becomes a 2.5.
- The IQR becomes a 1.5.
- The IQR remains a 3.
- The IQR remains a 2.
Question 5:(Worth 10 points)
The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 98° is added to the data, how does the mean change?
-The mean increases by 8.2°.
- The mean decreases by 8.2°.
- The mean increases by 1.4°.
- The mean decreases by 1.4°.
Question 6:(Worth 10 points)
The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 48° is added to the data, how does the median change?
-The median stays at 77.9°.
-The median stays at 84.4°.
-The median decreases to 72°.
-The median decreases to 77°.
Question 7:(Worth 10 points)
The average high temperatures in degrees for a city are listed.
58, 61, 71, 77, 91, 100, 105, 102, 95, 82, 66, 57
If a value of 80.8° is added to the data, how does the range change?
-The range decreases to 44°.
-The range increases to 52°.
- The range stays 46°.
-The range stays 48°.
