MA260.S.3.1 Statistical Analysis I
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Online Exam 2_03
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A machine is supposed to ll juice bottles with 16 uid ounces of juice. The man
MA260.S.3.1 Statistical Analysis I
Tests & Quizzes
Tests & Quizzes
Online Exam 1_02
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Question 1 of 20
A sample consists of every 49th student from a group of 496 students. Identify the type of
sam
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Question 1 of 40
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A two-tailed test is conducted at the 5% significance level. What is the P-value required to reject the null hypothesis?
A. Greater than or equal to 0.10
B. Less than or equal to 0.05
C. Les
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A 28-year-old man pays $125 for a one-year life insurance policy with coverage of $140,000. If the
probability that he will live through the year is 0.9994, to the nearest dollar, what is th
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The time series line chart below shows the prices of a volatile stock from January 1999 to December
1999. Between which two consecutive months did the price of the stock drop by the greates
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Humanities majors spend an average of $115 per course on books.
Mathematics majors spend an average of $70 per course on books. What is
the percent difference between the two amounts relati
Part 1 of 1 -
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Question 1 of 20
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The grocery expenses for six families were $80.86, $47.74, $57.92, $81.08, $75.18, and $88.08.
Compute the mean grocery bill. Round your answer to the nearest cent.
A. $71. 82
B. $73.79
C.
Question 1 of 20
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The annual precipitation amounts in a certain mountain range are normally distributed with a mean of
88 inches, and a standard deviation of 10 inches. What is the likelihood that the mean annual
precipitation during 25 ran
Danielle Spinner
AC1501208
EC380 Art & Creative Development
Assignment 8_08
Part One:
Rainbow Playdough
Goal
To learn how to make rainbow playdough and how to create different colors.
Learning Outcome
Found out how to use food coloring and that the amou
Danielle Spinner
AC1501208
EN130.2.2 English Composition II
Assignment 7_07
October 19, 2015
Distance education or traditional education
Although some students may do better hearing a lecture rather than reading one, distance
education is becoming more po
Danielle Spinner
AC1501208
EN130.2.2 English Composition II
Assignment 4_04
October 1, 2015
Compare/Contrast Shopping Online With Traditional Shopping
Shopping at a store causes us to go to mall or other stores when buying the things
we need as well as at
Danielle Spinner
AC1501208
EC380 Art & Creative Development
Assignment 4_04
October 24, 2016
Part One:
There are many ways that art and creativity have on early childhood aged children in
cognitive, physical, and socioemotional development. When looking a
Danielle Spinner
AC1501208
EN130.2.2 English Composition II
Assignment 4_04
September 8, 2015
Explain how to write a resume or college application essay
When coming up with how exactly to explain how to write a resume I realized that some
of the following
1
Danielle Spinner
AC1501208
SO245 Social Impact of Technology
Assignment 01
The Social Impact of Computers
Technology development has had a significant impact on the world as a whole, as well as,
in peoples everyday lives. One form of technology that has
Danielle Spinner
AC1501208
MA260 Statistical Analysis 1
Assignment 5_05
May 1, 2016
1. Compute the mean and variance of the following discrete probability distribution.
x
P(x)
2
8
10
.50
.30
.20
Mean = E(x) = Sum(xP(X) = 2(0.5)+8(0.3)+10(0.2) = 5.4
Varian
Danielle Spinner
AC1501208
SO245 Social Impact of Technology
Assignment 05
March 20, 2016
The Positive and Negative Arguments of Birth Control
The topic of birth control has always been one that is heavily debated and fueled by
different emotions. Those o
Danielle Spinner
AC1501208
EN130.2.2 English Composition II
Assignment 3_03
September 8, 2015
An interesting person who influenced your worldview
When thinking about all the people in my life that has influenced my worldview I
instantly thought of my gran
Online Exam 1_01
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Question 1 of 20
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5.0/ 5.0 Points
Convert 13% to decimal form.
A. 0.013
B. 0.13
C. 1.3
D. 13
Question 2 of 20
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A nutritionist wants to conduct a study to validate th
Online Exam 1_01
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Question 4 of 20
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A student wanted to know the favorite lunch at a large high school with a closed campus. What
is the first step in conducting a statistical study to answer the question?
A. Select
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Question 16 of 20
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Convert 5.65 to a percent.
A. 565%
B. 5.65%
C. 0.565%
D. 56.5%
Question 17 of 20
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A botany student counted 11 blades of grass in one square centimeter of
lawn and
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Question 13 of 20
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Temperatures in degrees Fahrenheit of the ocean at various depths:
A. Ratio
B. Interval
C. Ordinal
D. Nominal
Question 14 of 20
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To avoid working late, a quality c
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Data has been collected from a representative sample of a well-defined population to answer the
question: How much money does the average senior male at Normal Community High Sch
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Question 7 of 20
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Soft drink sizes: small, medium, large:
A. Qualitative, nominal
B. Quantitative, ordinal
C. Quantitative, ordinal, discrete
D. Qualitative, ordinal
Question 8 of 20
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Online Exam 1_01
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Question 19 of 20
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Two statements are given below. Select the statement for which a ratio of the measurements is
meaningful. State Neither or Both if appropriate.
1 - Kasheta ran the race in 22.3 s
Question 1 of 20
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Identify the utility that accounts for over half the total bill in two months.
A. Water
B. Electric
C. Gas
D. No single utility accounts for more than half the total bill in two months
Question 2 of 20
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A ma
Question 1 of 40
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A two-tailed test is conducted at the 5% significance level. Which of the z-scores below is the
smallest one that leads to rejection of the null hypothesis?
A. 1.12
B. 1.48 ?
C. 1.84
D. 2.15
Question 2 of 40
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Exam 6 answers
Part 1 of 2 -
Question 1 of 40
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If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. What
is the probability of getting at least two tails?
A. 1/2
B. 2/3
C. 3/4
D
Statistical Analysis I Lesson 2
Part 1 of 1 Question 1 of 20
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5.0/ 5.0 Points
The histogram below shows the ages of the actors who won the Academy Award for best actor
from 1970 to 2006.
How many of the award winners were 50 years old or
Exam 3 Answers
Question 1 of 20
5.0/ 5.0 Points
Last year, a road construction firm hired 11 new employees. Their ages at hiring are listed below. Find
the mean hiring age to one decimal place.
23 19 30 33 27 31 58 22 21 26 29
A. 29.1
B. 28.0
C. 29.2
D. 2
Exam 1 Answers
Question 1 of 20
5.0/ 5.0 Points
Convert 13% to decimal form.
A. 0.013
B. 0.13
C. 1.3
D. 13
Question 2 of 20
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The results of a poll are stated as follows: Based on a survey of 156 randomly selected students, 90% of
the studen