The table shows data for a class's mid-term and final exams:
Mid-Term Final
98 99
98 93
93 93
90 93
88 88
82 86
78 80
75 78
75 78
70 78
68 72

Which data set has the largest standard deviation?

Question

The table shows data for a class's mid-term and final exams:
Mid-Term	Final
98	99
98	93
93	93
90	93
88	88
82	86
78	80
75	78
75	78
70	78
68	72

Which data set has the largest standard deviation?

anonymous · Answer

Mid-term exams
Final exams
They have the same standard deviation.
There is not enough information.

anonymous · Answer

@texaschic101

anonymous · Answer

@amistre64 help please?! i think its d

amistre64 · Answer

rule of thumb, range/4

anonymous · Answer

? @amistre64

amistre64 · Answer

otherwise theres alot of calculations

amistre64 · Answer

theres plenty of information lol so it aint d

anonymous · Answer

dont get whatcu sayiNG @amistre64

amistre64 · Answer

which one has the larger spread ?

amistre64 · Answer

you dont know what range is?  or how to divide by 4?

anonymous · Answer

Final exams? @amistre64

amistre64 · Answer

the left side has a spread of 30:  68 to 98

the right side has a spread of 27:  72 to 99

the bigger a spread is, the bigger its variance, or deviation is in general

30/4 > 27/4

30(4) > 27(4)

anonymous · Answer

mid-term exams would be the answer?;D @amistre64

amistre64 · Answer

if thats whats on the left ... sure.

texaschic101 · Answer

first we got to find the mean of both sets of data
mid term : (98+98+93+90+88+82+78+75+ 75+70+68) / 11 = 915/11 = 83.18
standard deviation is 10.32

finals : mean is 85.27
standard deviation is 8.19

amistre64 · Answer

we dont "have to"

anonymous · Answer

Now I'm confused is it Mid-Term Or Finals -_- @amistre64 @texaschic101

texaschic101 · Answer

amistre's way is much easier.....mid terms have bigger standard deviation

anonymous · Answer

so mid-terms is the answer correct?.. @texaschic101

texaschic101 · Answer

yep