Measure of Center
Which measure of center is best to use when there is an outlier?
A.) mean
B.) mode
C.) median
D.) range
C.) median
What equation do you use to find the probability that a person would eat oranges given that they are female?
A.) P(eats oranges)+ P(female)- P(overlap)
B.) success/total
C.) Total/success
B.) success/total
What is the symbol for Chi-squared
A.)Ꭓ2
B.) C2
C.) Chi2
D.) 2Chi
A.)Ꭓ2
What is the p-value compared to?
A.) the test statistic
B.) the critical value
C.) alpha
D.) 2
C.) alpha
A.) peanut M&Ms
How do you find the mean of a list of numbers on the calculator?
A.) Enter into L₁, and run 1-Var Stats
B.) Enter into L₁, and run 2-Var Stats
C.) Enter into L₁, and run 1-PropZTest
A.) Enter into L₁, and run 1-Var Stats
An event in the probability that will never happen is called?
A) Unsure event
B) Sure event
C)Possible event
D)Impossible event
D) Impossible event
What is the name of the symbol used for population standard
deviation (σ)?
A.) Greater than
B.) Rho
What is the name of the symbol used for population standard
deviation (σ)?
A.) Greater than
B.) Rho
C.) Sigma
D.) Chi2
D.) Chi2
C.) Sigma
What is the correct hypothesis for a Chi-Squared test?
A.)H0:X2=0
H1: X2 >0
B.) H0: The sales of oranges are independent of the grocery store.
H1: The sales of oranges are dependent upon the grocery store.
C.) H0: The sales of oranges are dependent upon the grocery store.
H1: The sales of oranges are independent of the grocery store.
D.)H0: x=12 H1: x<12
B.) H0: The sales of oranges are independent of the grocery store.
H1: The sales of oranges are dependent upon the grocery store.
Where did Ms. Post attend college?
A.) MTSU
B.) Murray State
C.) Austin Peay
D.) Belmont
B.) Murray State
Which measure is most accurate when the data set has an outlier?
A.) mean
B.) mode
C.) standard deviation
D.) median
D.) median
What is the probability of getting an even number when a dice is thrown?
A) 1/6
B) 1/2
C) 1/3
D) 1/4
B) 1/2
Which symbol represents the greek letter “Rho”?
A.) P
B.) r
Which symbol represents the greek letter “Rho”?
A.) P
B.) r
C.) ⍴
D.) σ
D.) σ
C.) ⍴
To find the critical value of a T test, you use invnorm on the calculator.
True
False
False
What country has Ms. Post lived in?
A.) China
B.) India
C.) France
D.) Germany
D.) Germany
What is the median of the following data
1,2,2,3,4,6,6,7,8
A)4
B)6
C)7
D)3
A)4
If two events (both with probability greater than 0) are mutually exclusive, then:
A. They also must be independent.
B. They also could be independent.
C. They cannot be independent.
C. They cannot be independent.
Which sign means “at least 4”?
A.) ≥ 4
B.) < 4
C.) > 4
D.)w ≤ 4
A.) ≥ 4
What is the T-Test used for?
A.) to figure out how many t’s are in the word Tik Tok.
B.) Compare the means of two groups.
C.)Compare the mode of two groups.
D.) Find the standard deviation of the sample
B.) Compare the means of two groups.
When is World Statistics day?
A) March 12
B) November 11
C) October 20
D) June 1
C) October 20
Find the mode.
12,10,10,10,13,12,11,13,10
A.) 13
B.) 11
C.) 12
D.) 10
D.) 10
A card is drawn from a pack of 52 cards. What is the probability of getting a king of a black suit?
A) 1/26
B) 1/52
C) 3/26
D) 7/52
A) 1/26
Which sign means “at least 4”?
A.) ≥ 4
B.) < 4
C.) > 4
D.)w ≤ 4
A.) ≥ 4
What three things are used to find the Chi Squared test statistic?
A.) n, sample standard deviation, and mean
B.) Degree of freedom, sample standard deviation, and mean
C.) Data value, mean, and population standard deviation
D.) Degree of freedom, sample standard deviation, and population standard deviation
D.) Degree of freedom, sample standard deviation, and population standard deviation
When was statistics created?
A.) 1921
B.) 1764
C.) 1827
D.) 1662
D.) 1662