HORROR ESCAPE ROOM

Unit 8 test

start

HORROR ESCAPE ROOM

"A ghost is trapped in this house, doomed to wander through it until he recovers all his memories.To help him find them, you must first pass all the tests and get the missingitems in your inventory.Explore the house and try not to get trapped yourself too..."

Introduction

Explore the house

Inventory

It's closed...

It's too dark...

Open inventory...

Given a box plot, it is always possible to calculate the mean of the data.

01

True

False

Given a box plot, it is always possible to calculate the median of the data.

02

True

False

Given a box plot, it is always possible to construct a corresponding dot plot.

03

False

True

Given a dot plot, it is always possible to construct a corresponding box plot.

04

True

False

Given a histogram, it is always possible to construct a corresponding box plot

05

False

True

Here is a dot plot of a data set. Which statement is true about the mean of the data set?

The mean is less than 5.

06

The mean is equal to 5.

The mean is equal to 5.

The mean is equal to 5.

The air quality was tested in many office buildings in two cities. THe results of the testing are shown in these box plots.A level of less than 50 pars per million is considered healthy. A level of 50 or mor parts per million is considered unhealthy. Is this statement true or false?All buildings testing in City P are in the healthy range.

True

False

07

The air quality was tested in many office buildings in two cities. THe results of the testing are shown in these box plots.A level of less than 50 pars per million is considered healthy. A level of 50 or mor parts per million is considered unhealthy. Is this statement true or false?The lowest recorded measurment was in City Q.

True

False

08

The air quality was tested in many office buildings in two cities. THe results of the testing are shown in these box plots.A level of less than 50 pars per million is considered healthy. A level of 50 or mor parts per million is considered unhealthy. Is this statement true or false?The mean for City P is greater than the mean for City Q.

True

False

09

The air quality was tested in many office buildings in two cities. THe results of the testing are shown in these box plots.A level of less than 50 pars per million is considered healthy. A level of 50 or mor parts per million is considered unhealthy. Is this statement true or false?The range for City Q is greater than the range for City P.

True

False

10

The air quality was tested in many office buildings in two cities. THe results of the testing are shown in these box plots.A level of less than 50 pars per million is considered healthy. A level of 50 or mor parts per million is considered unhealthy. Is this statement true or false?The median for City P is greater than the median for City Q.

True

False

11

It's not correct...

Find the key to continue

Continue exploring the house

Inventory

It's too dark...

Inventario abierto...

This box plot displays information about the number of text messages some students sent one day.What is the median number of texts sent by students?

13 text messages

15 text messages

01

14 text messages

12 text messages

This box plot displays information about the number of text messages some students sent one day.What is the IQR (interquartile range)?

10 text messages

12 text messages

02

11 text messages

9 text messages

This box plot displays information about the number of text messages some students sent one day.Is this data set symmetric?

No; Q1 is wider than Q3

03

Yes;the median is in the middle

Yes; Q1 and Q3 are even

No; Q3 is wider than Q1

04

5

6

7

4

Ten students each attempted 10 free throws. This list shows how many free throws each student made. 8 5 6 6 4 9 7 6 5 9What is the median number of free throws made?

05

5

4

2

3

Ten students each attempted 10 free throws. This list shows how many free throws each student made. 8 5 6 6 4 9 7 6 5 9What is the IQR (interquartile range)?

You found asecret message

♪♬ø

Remember these notes and play them on the piano in the correct order

♯

♬

♩

♫

♪

ø

01

...Keep playing

♯

♬

♩

♫

♪

ø

02

...One more

♯

♬

♩

♫

♪

ø

03

Try again...

✘

✘

✘

✘

✘

✘

You found a new item for your inventory

Inventory

♪♬ø

Continue exploring the house

Inventario abierto...

Use the magnifying glass to find the code and then insert it into the typewriter.

224

Someone is there!

Jada asked some students at her school how many hours they spent watching television last week, to the nearest hour. Here are a box plot and a histogram for the data she collected. About how many students did Jada ask?

01

200

100

50

Is the mean or the median a more appropriate measure of center for this data set?

02

Mean

Median

Both

Can Jada use these data displays to find the exact median? Explain how you know.

No, it's not possible to find.

Yes, you can find the median on the box plot.

Yes, you can find the median on the histogram.

03

Can Jada use these data displays to find the exact mean? Explain how you know.

Not on the box plot but you can on the histogram.

Yes, just add them all up and divide by how many total.

No, you can only estimate but cannot find an exact.

04

What would be an appropriate measure of variability for this data set? Find or estimate its value.

IQR-8

Median-5

Mean-6

05

A briefcase appeared...

congratulations

You've recovered all the ghost's memories! Now he can finally rest and you can escape from the house!

You will lose all the progress so far...

Sure you wantto go out?

Exit

Back

Inventory

Inventory

♪♬ø

Inventory

♪♬ø

Inventory

♪♬ø

Inventory

Oh, no. Fallaste...