Instructions

Question 1

Statistics: Mean and Median

Refer to the chart below and the line associated with your assigned number to answer these questions.

Using the 10 original numbers given for the data set and the listed change:

(a) By how much does the mean decrease or increase, or does it stay the same?

(b) By how much does the median decrease or increase, or does it stay the same?

Assigned #	Original Numbers in the Data Set	One Number Change
2	312, 326, 345, 390, 400, 435, 450, 478, 487, 510	400 to 415

Instructions

Question 2

Probability: Likelihood

An event ismore likelywhen it has agreater probabilityof happening.

Refer to the chart below and the line associated with your assigned number to answer these questions.

There are two boxes containing only red and purple pens. A pen is randomly chosen from each box.

1. Which of these events is most likely to occur?
   1. Event1: choosing a red pen from Box B.
   2. Event2: choosing a purple pen from Box A.
   3. Event3: choosing a red pen from Box A.
2. Which of these events is least likely to occur?
   1. Event1: choosing a red pen from Box A.
   2. Event2: choosing a purple pen from Box B.
   3. Event3: choosing a red pen from Box B.
3. Name an event with either box A or box B where the probability would be 1.
4. Name an event with either box A or box B where the probability would be 0.
5. Name an event with either box A or box B where the probability would be 3.

Assigned #	Box A -purple pens	Box A -red pens	Box B -purple pens	Box B -red pens
2	17	6	11	8

Instructions

Question 3

Probability: Counting

Answer the question that corresponds with your assigned number.

In all these questions the order of the choices does not matter; the order is not taken into consideration nor is it relevant. We are counting a choice once if it has the same items no matter the order we choose them. Example: Choosing Joe, then Sid, then Henry, and then James is the same as choosing Sid, then James, then Henry, then Joe. So, for this question you must use the Combination rule for counting.

2. In a history class there are 5 group projects, and each group must complete 2 projects. How many ways can the group choose the 2 projects.