A1 - Unit 1 Review | Describing Data

What is the median hourly wage for DesWorks?

• $10 per hour

• $20 per hour

• $30 per hour

• $40 per hour

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The box plots show the hourly wage for employees at two different companies. Which of the following statements are true about DesMobile?

• 50% of employees make between $25 and $35 per hour.

• 25% of people make more than $30 per hour.

• Everyone makes at least $40 per hour.

• The highest hourly wage is $35 per hour.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

At which company do employees have MORE CONSISTENT wages?

• DesWorks

• DesMobile

Tags

CCSS.7.SP.B.4

What is the IQR for the hourly wage at DesWorks?

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Josiah made a histogram showing the length, in minutes, of all his favorite movies. According to the histogram, how many of his favorite movies are between 80 and 85 minutes long?

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Josiah made a histogram showing the length, in minutes, of all his favorite movies. How would you describe the shape of his data?

• Uniform

• Skewed Left

• Bell-shaped

• Bimodal

Josiah made a histogram showing the length, in minutes, of all his favorite movies. Decide if each statement is true or false.

Groups:

(a) True

,

(b) False

• There are 5 movies that are exactly 77 minutes long

• Josiah has 20 favorite movies

• There are 3 movies that are exactly 70 minutes long.

• Josiah has 5 favorite movies

• Exactly 10 movies are 80 minutes or longer.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

In a skewed data set, which measure of center is a better representation of a typical value?

• Mean because it includes all of the values in a data set

• Median because it is more resistant to extreme values

• Mean because most of the data is in the center

• They are both good representations of typical values.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

The data set shows the number of text messages Manny sent each day last week:

0, 10, 15, 2, 5, 9, 6. Find the statistics:

Mean: (a)  

Median:​ ​ (b)  

• 6.7
• 6
• 2
• 8.3
• 5
• 5.9

Tags

CCSS.6.SP.B.5C

The data set shows the number of text messages Manny sent each day last week:

0, 10, 15, 2, 5, 9, 6.

If we replaced the 15 with a 30, which statistic would change?

• Mean

• Median

• Both

• Neither