For math problems, type out equations to receive partial credit in the case of wrong answer.
- Complete the cumulative frequency table below:
X f p % cf c%
5 2
4 1
3 4
2 0
1 2 - Given the following set of scores: 3, 4, 6, 7, 8, 8, 8, 3, 4, 1, 1, 2, and 5
a. Mean =
b. Median =
c. Mode =
d. Range= - Given the following set of scores: 3, 6, 2, 1, 1, 8, 3, 4, 1, 1, 2, and 5
a. Mean =
b. Median =
c. Mode =
d. Range= - Watch the following video (https://www.youtube.com/watch?v=5D1gV37bKXY).
a) What are the chances of Bill not being chosen 3 nights in a row?
b) What are the chances that Bill is not chosen 12 nights in a row?
c) What is the probability that most research use as their criteria for deciding whether or not an outcomes happens by random chance? - Watch the following video (https://www.youtube.com/watch?v=MRqtXL2WX2M). Then, answer the questions below.
a) What does a low standard deviation mean?
b) What does a high standard deviation mean?
c) What is the “68-95-99.7 rule?” and how could it be useful?
- Watch the following video (https://www.youtube.com/watch?v=jvoxEYmQHNM&index=6&list=PLo9NtuLffoEEuBmo-2BwHut0kzWvUYXMU). Then, answer the questions below.
a) The more subjects in a sample at a time, the __________the distribution of the measure will be to a normal distribution. b) The bigger the sample size, the closer the mean of the sample gets to the _____________________________. - You have a patch of 120 clovers. 13 of the clovers are 4-leaf clovers and the rest are 3-leaf clovers. What is the probability that you would randomly select a 4-leaf clover?
- At the end of every rainbow there is either a pot of gold or a pot of honey. If you randomly selected a rainbow, only 6% of the time would there be a pot of gold. How many rainbows out of 100 rainbows total would you expect have a pot of honey? (read carefully)
Sample Solution