Statistics Riddles
All of my bars touch each other when they stand tall.
A. Pie Chart
B. Histogram
C. Ogive
D. Bar Graph
What is Histogram?
What graph uses percentages?
Pie Chart
What does this mean: P(women I Smoke)
The probability of women given that they smoke.
Which one does order matter? (Combination or Permutation)
Permutation
What do you use to find the critical value in a T-Test?
The T Chart
I am both positive and negative during this test.
What is a Two-tailed test?
What graph has lines that connect points plotted for the frequencies at the midpoints of the classes?
Frequency Polygon
What does it mean for an event to be mutually exclusive?
The events cannot occur at the same time.
Does order matter in this scenario? How many ways can someone award a 1st, 2nd and 3rd place prize among eight contestants?
Yes
When do you divide alpha by 2 when using invnorm?
Two-Tailed Test
I can determine if there is a relationship
What is Chi-Squared Test?
What quadrant is a Chi-Squared Graph in?
Quadrant 1
What are the three types of Probability?
Classical, Empirical, and Subjective
How many ways can you make a team of 3 people from a group of 10
120
If the Critical Value is greater than the test statistic in a right-tailedtest, then what is the decision?
Fail To Reject
You use me as a backup in case there is an outlier.
What is Median?
What graph represents cumulative frequency?
Ogive
What is the sample space for tossing 2 coins?
HH, TT, HT, TH
0! = ?
1
What is the Critical Value in a left-tailed test when alpha is .05? (mean)
-1.65
I measure how far values fall from the tree.
What is Standard Deviation?
Construct a pie graph from the preferences of soda? (Sprite - 146) (Coke - 330) (Mt. Dew - 225) and (Dr. Pepper - 299). Round to the nearest tenth.
Sprite - 14.6% Coke - 33% Mt. Dew - 22.5% Dr. Pepper - 29.9%
Someone has 5 red marbles and 4 blue marbles. Without replacing, what is the probability that you draw 2 red marbles?
5/18
How many different permutations of the letters in the word Boondoggle are there?
302,400
In a Chi-Squared problem, what is the critical value when the degree of freedom is 29 and alpha is .05 in a left-tailed test?
17.708