Question

Please help meh

Answer 1

The table below shows data from a survey about the amount of time students spend doing homework each week. The students were either in college or in high school:

High Low Q1 Q3 IQR Median Mean σ
College 50 5 7.5 15 7.5 11 13.8 6.4
High School 16 0 9.5 14.5 5 13 10.7 5.3

Which of the choices below best describes how to measure the spread of this data?
(Hint: Use the minimum and maximum values to check for outliers.)
Both spreads are best described with the IQR.
Both spreads are best described with the standard deviation.
The college spread is best described by the IQR. The high school spread is best described by the standard deviation.
The college spread is best described by the standard deviation. The high school spread is best described by the IQR.

Answer 2

@heretohelpalways

Answer 3

@enchanted_bubbles

Answer 4

@peachpi

Answer 5

I've done this before...

Answer 6

Are you in FLVS?

Answer 7

Yep!

Answer 8

What lesson?

Answer 9

6.02?

Answer 10

ok 1 min

Answer 11

mkay

Answer 12

The answer is C. I just checked :]

Answer 13

thanks:)

Answer 14

Your welcome!

Answer 15

The table below shows data for a class's mid-term and final exams:

Mid-Term Final
96 100
95 85
92 85
90 83
87 83
86 82
82 81
81 78
80 78
78 78
73 75

Which data set has the smallest IQR?
They have the same IQR
Mid-term exams
Final exams
There is not enough information

Answer 16

can you help with this one?

Answer 17

Yes give me 1 min!

Answer 18

I don't have the same numbers sorry! :[

Answer 19

Its all good, so can you help me solve it?

Answer 20

Um yes give me 1 min to try to solve it :]

Answer 21

Never mind i checked the numbers again its is the same numbers lol. The answer is Final Exams :]

Answer 22

thx :)

Answer 23

Your welcome!

Answer 24

The box plots below show student grades on the most recent exam compared to overall grades in the class:

two box plots shown. The top one is labeled Class. Minimum at 68, Q1 at 71, median at 84, Q3 at 89, maximum at 100. The bottom box plot is labeled Exam. Minimum at 55, Q1 at 76, median at 85, Q3 at 94, maximum at 100.

Which of the following best describes the information about the medians?

The class and exam medians are almost the same.
The exam median is much higher than the class median.
The class and exam Q3 are the same, but the exam has the lowest median.
The low outlier on exams pulls the median lower.

Answer 25

@enchanted_bubbles