First question:
a. the range : [36,52] inches
b. the mean : 36+38+40+41+45+48+50+51 divided by 8 is equal to 43.75 inches
the median : 41+45 divided by 2 = 43
the mode : It only happened once.
Second question :
a. my quiz scores, 18,16,19,15,17
the mean : 18,16,19,15,17 divided by 5 = 17
the median data: 17
the mode : this set of data has not the mode data.
friend's quiz scores: 20,20,13,12,17
the mean data: 20,20,13,12,17 divided by 5 = 16.4
the mode data : 20
b.
= 17 (the friend) is greater than 16.4
= the friend's quiz score is higher.
Hope it Helps
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Answers & Comments
First question:
a. the range : [36,52] inches
b. the mean : 36+38+40+41+45+48+50+51 divided by 8 is equal to 43.75 inches
the median : 41+45 divided by 2 = 43
the mode : It only happened once.
Second question :
a. my quiz scores, 18,16,19,15,17
the mean : 18,16,19,15,17 divided by 5 = 17
the median data: 17
the mode : this set of data has not the mode data.
friend's quiz scores: 20,20,13,12,17
the mean data: 20,20,13,12,17 divided by 5 = 16.4
the median data: 17
the mode data : 20
b.
= 17 (the friend) is greater than 16.4
= the friend's quiz score is higher.
Hope it Helps