February 23, 2012
Answers to February Break Packet/IA #3 Review

Here are the answers. Please make sure scholars are showing how they got their answers. If you need practice problems on any individual skill please call or email.

1. C

2. D

3. A

4. C

5. Should read “What is the mean number of mcflurries they sell per day?” answer is C

6. Mode: 1.2     Median: 2.0     Range: 4.5

7. A

8. D

9. A

10.C

11. B

12. B

13. C

14. C

15. B

16. C

17. C

Open response:

1. There are multiple answers. As long as students set the proportion up correctly they will receive full credit. One possible answer is: 5/3= 30/X

2. 18 Cupcakes

3. 1/7, 20%, .55, 7/8

4. 24 units

5. 16 square units

6. $600

7. $90.00

8. $135.00

9. 4.5 x (5 x 5)

Answers should include the fact that associative property is about how numbers are grouped together. To rewrite the expression I changed the grouping so that 5 x 5 was first.

10. SA=320 meters squared Volume= 336 meters cubed

11. SA= 82 meters squared Volume= 44 meters cubed

12.. 10 feet

13. 50 square feet

14. 144pi meters squared

15. 54 square inches

February 7, 2012

Today’s notes on dependent compound probability

February 7, 2012

These are our class notes on permutations.

February 7, 2012

This is our lesson on compound probability.

February 7, 2012

This is our lesson on determining the probability of one event.

February 2, 2012
Quiz 5.2 Review Answers

1. 12

2. 5

3. 11.5

4. 23

5. D

I determined they were correct because I knew that if the average was 8 and there were 4 data points their total value would be 32.

6. ii, iiii, and iv

7. They are all factors of 5. If they weren’t factors of 5 the stickers couldn’t be split up evenly. There would be some left over.

8. 24 points

9. 27 points per game.

10. Mean:3, Range:4, Mode: 2, Median: 3

11. Any data sets that add up to 42!

See everyone tomorrow!

January 29, 2012

This is our second lesson on probability. 

January 26, 2012
Unit 5 Quiz Review answers

1.

Mode: 1

Median: 8.5

2.

Mode: 7

Median: 6

3. 8 data points

4. Upward trend

As advertising dollars increase sales increase

5.

Different answers:

Numerical survey:Anything that will result in a number answer

Categorical Survey: anything that will result a category answer

6. Mode:8 Median:11

7. Line plot keys: ALL NUMBERS MUST BE ON LINE PLOT EVEN IF THEY ARE NOT IN DATA SET

8. i and iv

You’ll all do great!

January 25, 2012

This is our first lesson on probability. This WILL NOT be on Quiz #1

January 25, 2012

This was our second lesson with mean in which we were given the mean and had to solve for some of the data points.

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