- A bag contains 5 red, 9 green, 10 blue, and 6 yellow marbles.
Find the following if choosing one marble at a time.
P(blue) P(yellow then red with replacement)
P(two green without replacement) P(red then blue with replacement)
P(green, then red, then yellow without replacement)
- A coin is tossed and the spinner shown is spun. Find the following probabilities.
P(heads and an even number)
P(tails and a multiple of 3)
Find the mean, median, mode and range of the given data sets:
3.) 4, 6, 12, 5, 84.) 5, 6, 6, 6, 7, 8, 9, 10, 11, 11, 11, 12
5. Lisa earned the following tutoring: $25, $35, $28, and $40. What is the mean? What would Lisa need to earn on a 5th tutoring job to have a mean of $35?
6. A group of friends has a total of $252. If they each have an average of $36 how many friends are in the group?
7. The following line plot represents weights of dogs in a dog show. Use it to answer the questions.
How many dogs entered the dog show?
What was the median weight?
8. The step and leaf plot represents ages of community members helping at the Spring Carnival. Use is to answer the following questions.
What is the range of the Males?
What is the mode of the Females?
What is the median of the Males?
What is the median of the Females?
Susan a 30 year old female volunteers to help, how does this change the median?
9. The data below represents the low temperatures for 11 cities in Pennsylvania. Create a Stem and Leaf Plot using the data then answer the following questions.
10, 21, 18, 21, 25, 26, 26, 30, 31, 35, 37Find the median
Find the mode
Which 10-degree interval had the most temperatures?
10. The data below represents the scores of 17 students of the most recent test. Use the data to answer parts A through C and create a Box and Whisker Plot. Then answer parts D throughF.
48, 51, 55, 61, 60, 63, 65, 70, 73, 75, 78, 80, 81, 89, 92, 98, 100
A.) Find the median of the data (Q2) and the lower and upper quartile (Q1 and Q3)
B.) Find the Interquartile range and the limits for outliers
C.) Are there any outliers? If so name them.
D.) If a student scored a 75 on the test would they be in the middle 50% of test scores?
E.) If the top 25% earn a homework pass would a score of 85 earn a pass?
F.) If the bottom 25% fail what is the lowest score you could earn and still pass?
11. Below are the prices of snowboards at two competing snowboard stores. Using the same number line make a box and whisker plot for each store.
Midtown Snowboards: 345 350 356 360 375 405
Snowboard Central: 343 370 386 392 395 402
Make a conclusion about the data.