Ch 2
Ch 3
Ch 4
Ch 5
Ch 6
100
Give an example of a qualitative variable
- hair color
- eye color
- Shoe type
100
What college did I go to?
University of California, Riverside
100
Determine the type of correlation represented below:
Perfect Positive
100
B, because you cannot have a negative probability!
100
Find the probability that x = 4:
0.15
200
What type of variable is "number of siblings"
Quantitative Variable
200
Find the 5-number summary of the following:
10, 9, 12, 7, 6, 1, 3, 12
Min: 1 Q1: 4.5 Median: 8 Q3: 11 Max: 12
200
Calculate the linear-regression equation (round to the nearest 10th):
hat y = 54.2x +1156.7
200
Ms. Barajas wants to take five students to Disneyland. If she has 16 students in her class, in how many ways can she select her three students?
4368
200
Determine the Binomial Probability Distribution, (round to the nearest 100th):
n = 10, p = 0.30, x = 6
0.04
300
Who is this?
Shrek
300
What is the mean of the data set:
56, 32, 18, 22, 18, 11, 55, 34, 32, 29
30.7
300
Write the linear regression equation for the following data (round to the nearest 100th) :
hat y = -5.52x + 14.33
300
A pair of fair dice is rolled. Compute the probability that the sum of the dice is 6 OR the sum of the dice is 3?
7/36
300
Using the data table, determine the mean (expected value) and the standard deviation of the given probability distributions. (Round to the nearest 100th)
bar x= 3.98
sigma = 1.90
400
How many pumpkins weighed at most 9 kg?
17
400
What is the shape of the distribution?
Skewed Right
400
Given the linear-regression equation is
hat y = 1.06x - 10.73
find the projected test grade, to the nearest integer, for a student with a homework grade of 75.
69
400
In a class of students, the following data table summarizes activities for a class. What is the probability that a student who plays a sport given, they play an instrument?
5/8
400
The probability that a person is left-handed is 0.14. In 400 randomly selected individuals, probability that at least 55 are left-handed. Round your answers to the nearest 100th.
0.58
500
What is the shape of the distribution?
Skewed Left
500
The lifespan of teachers in the US are normally distributed with a mean of 65 years and a standard deviation of 2 years.
What percentage of teachers live less than 63 years?
16%
500
Calculate the residual for a student with a homework grade of 75, given that
hat y = 69
-1
500
In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probability that a student has a brother given that they have a sister?
7/19
500
According to a Gallup poll, 54% of adults stated that the minimum drinking age should be 18. In a random sample of 15 US adults, find the probability that less than 6 people think the drinking age should be 18.
0.09