Algebra Unit 10 Part 2 Test Review 2025

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79
• y = -1.79x + 61.93
• y = 0.016x + 0.03
• y = 0.03x + 0.016

Write the linear regression equation for the following data points. Round to the nearest hundredth.

Tags

CCSS.8.EE.C.8C

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Tags

CCSS.HSF.BF.A.2

If Joe worked 30 hours, how much is he expected to earn?

• $600
• $200
• $1000
• $800

Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?

• Quantitative observations use numbers, qualitative uses the senses.
• Quantitative observations use the senses, qualitative uses numbers.
• Quantitative observations use measurement, qualitative uses numbers.
• Quantitative observations use colors, qualitative uses the senses.

Tags

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.7.7

CCSS.RL.8.7

CCSS.RL.9-10.7

The pendulum made 17 full swings in 30 seconds.

• Qualitative
• Quantitative
• Both
• Neither

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are nine dolphins in this pod.

• qualitative
• quantitative

Tags

CCSS.1.NBT.A.1

To evaluate the defect rate of its memory chips, an integrated circuit manufacturer tests every 100th chip off the production line.

• Biased Sample

• Unbiased Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A real estate agent surveys people about their housing preferences at an open house for a luxury townhouse.

• Biased Sample

• Unbiased Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

To determine the most common injury cared for in an emergency room, a reporter goes to the same hospital every afternoon for one month during the summer and observes people entering the emergency room. She concludes that second degree sunburn is the most common injury.

• Unbiased

• Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1