STA2023
QUIZ # 3
INSTRUCTIONS: Answer all questions. Shade the correct answer in your scantron for each of the
questions on this quiz.
1. Each of the following is a measure of center EXCEPT
(a) Mean
(
STATISTICS: STA 2023
Chapter 8
Questions 1 7 are based on the following:
Is Facebook the most popular social media app among the North Camus student
population? In a recent survey of 70 North Campus s
STATISTICS: STA 2023
Quiz 10
1. The linear correlation coefficient r measures _ of the linear
relationship between two variables.
Distance (b) size
(c) strength
(d) direction
(a)
(b)
(c)
(d)
2. 10 pai
Fall 2017
Critical Thinking Assignment # 2 (25 points)
INSTRUCTIONS:
In this second assignment, you will further explore the data you obtained in critical assignment 1
by applying the concepts we have
TEST 2 Review  STA2023
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Find the indicated probability.
1) A bag contains 6 red marbles, 3 blue m
TEST 1 Review  STA2023
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Determine which of the four levels of measurement (nominal, ordinal, inte
TEST 3 Review  STA2023
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Assume that the weight loss for the first month of a diet program varies
Module 2 Assignment
1. Explain the differences between moral relativism, cultural relativism, and individual
relativism. The deference between these three relativisms is quite simple. Moral relativism
CHAPTER 3. PROBABILITY TOPICS
Exercise 1
Suppose that you have 8 cards. 5 are green and 3 are yellow. The 5 green cards are
numbered 1, 2, 3, 4, and 5. The 3 yellow cards are numbered 1, 2, and 3. The
Exam 4 8.29.4
8.2 Testing A claim about a
proportion
1.
2.
3.
4.
Identify claim in symbolic form
Identify the alternative hypothesis
Identify null hypothesis (Ho) * / = #
Identify alternative hypothe
Exercise 1 (10 points)
Twentyfive randomly selected students were asked the number of movies they watched
the previous
week. The results are as follows:
# of
movies
0
1
2
3
4
Frequency
5
9
6
4
1
Rela
5.2 Probability Distributions
In this chapter we will construct probability distributions by presenting possible outcomes along with
the relative frequencies we expect.
This section introduces the imp
In a certain college 33%of the physics majors belong to ethnic minorities. If 10
students are selected at random from the physics majors, whats is the probability
that no more than 6 belong to an ethn
37742023 mamor "3065
' UMCISES
l, Extra Example: In the rst two months of a recent year, 94 car occupants were killed by
air bags, and 61 of them were improperly belted (based on data from the Nationa
Note: You may use the Excel calculator for these exercises and submit the sheet to
show your calculations.
Exercise 1
Ten individuals went on a lowfat diet for 12 weeks to lower their cholesterol. Eva
A sample of 16 small bags of the same brand of candies was selected. Assume that the
population distribution of bag weights is normal. The weight of each bag was then
recorded. The mean weight was 2 o
Page 235
4. Out of class activity
Highest Points in the United States
Highest Points
Highest Elevations (feet)
Cheaha Mt., AL
Mt. McKinley (Denali), AK
Humphreys Peak, AZ
Magazine Mt., AR
Mt. Whitney,
1
CHAPTER 9
Inferences from Two Samples
9.2. Two Proportions
Pages 444446
7. Dreaming in Black and White
p= not specified (population proportion)
pp = 0.26 (sample proportion)
qp = 0.74 (found from 1
NAME: _
STA2023  ADDITIONAL PRACTICE QUESTIONS FOR TEST # 2
MULTIPLECHOICE QUESTIONS (CH. 4 & 5)
Disclaimer: These PRACTICE QUESTIONS (besides First Homework on CH. 4 & 5 ) may also be used as a sam
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