Fill in the Blank
True/False
Question w/ Options
Solve
Questions w/ no options
100
This graph is called _____________
What is a Stem and Leaf Plot
100
This graph has a positive, strong correlation
What is True
100
Which one of these is not qualitative?
A. Body temperature
B. ID Numbers
C. Height
D. Weight
What is B. ID Numbers
100
What is the minimum, median, maximum?
Min= 70
Median= 85
Max=100
100
The total area under the normal curve is equal to what?
What is 1
200
____ 5 and ____ 8 for the expected value for E 5,8
What is Row and Column
200
Bias is a sample we choose is not representative of the population.
What is True
200
Which one of these is quantitative
A. Player numbers of a soccer team
B. Lengths of songs
C. Species of trees in a forest
D. Responses on an opinion poll
What is B. Lengths of a Song
200
The average number of cupcakes sold in a day are 20 . What is the t-value? Let r≈.76 ; a=.05
Answer 4.96
200
What is the mode?
156, 278, 3, 919, 156, 154
Answer is 156
300
The mean, median, and mode of the t-distribution are equal to______
What is 0
300
This is written correctly
Ho: m>650, Ha: m≤650
False
300
What distribution (the charts) do you use when the sample size is 42?
A. Normal Distribution
B. T-distribution
C. Chi-Square Distribution
D. None of the above
What is A. Normal Distribution
300
The teacher wants to form groups of 3 students for an activity. She has 18 students in her class. In how many different ways can the teacher form the groups.
Answer is 816
300
In what step do you make your decision?
Answer is #6
400
The critical value Zc that corresponds to a 99% confidence level is_____
What is 2.575
400
Another name for the Empirical Rule is 56-89-98 rule
False
400
The mean price of a cupcake is no more than $12.50, there is a concern that the price of a cupcake is too expensive. What test would be an appropriate hypothesis test for this claim?
A. Two-tailed test
B. Left-tailed test
C. Right-tailed test
D. none of the above
What is C. Right-tailed test
400
42% of a counties population is right handed. What is the probability in a group of 14 people no one is right handed?
N= 14
P=.42
q= .58
binompdf (14,42,0) = .000488
400
What does 30 represent, f=30?
Sample size or total number of data values.
500
A_________ of the sampling distribution is the range of values for which the null hypothesis is not probable.
What is Rejection Region
500
One requirement for both binomial and geometric distribution is that the traits are independent.
True
500
In a survey of 891 US adults, 16% say they have started paying bills online in the last year. Construct 90% confidence interval for the population proportion.
A. (.14,.18)
B. (.622,.644)
C. (.437,.483)
D. none of the above
What is A. (.14,.18)
500
A card is selected from a standard deck. Find the probability that the card is a face card or a diamond.
25/52
500
What is Ho and Ha in a x2 goodness of a fit test?
Ho: The distribution is the same
Ha: The distribution is different