Question
In: Statistics and Probability
A researcher wanted to know if there was a difference in the effectiveness training results between...
A researcher wanted to know if there was a difference in the effectiveness training results between permanent employees at a business and temporary employees at the same business. The two training methods were in-person training or via videos. After the training, each employee took a test to determine the effectiveness of the training. Draw the correct design for this experiment. (Hint: In the design, it is easier to start off with the training methodology.) Remember to clearly indicate what is randomized.
Solutions
orchestra answered 2 years agoRelated Solutions
A researcher wanted to know if there is an age difference in the amount of time...
A researcher wanted to know if there is an age difference in the
amount of time spent on social media. They collected data from 8
teenagers (13-18 years old) and 8 young adults (21-26 years old);
they measured the average number of hours spent using all social
media platforms over the course of a day. The mean hours spent on
social media for teenage participants was 2.9750 with a variance of
1.0630 and the mean hours spent on social media...
A baseball fan wanted to know if there is a difference between the number of games...
A baseball fan wanted to know if there is a difference between
the number of games played in a World Series when the American
League won the series versus when the National League won the
series. From 1922 to 2012, the population standard deviation of
games played in World Series ultimately won by the American League
was 1.14, and the population standard deviation of games played in
World Series ultimately won by the National League was 1.11. In 19
randomly...
A researcher wanted to see whether there was a difference between dogs, cats and ferrets in...
A researcher wanted to see whether there was a difference
between dogs, cats and ferrets in the mean number of trials
required to train them to touch a target with their nose. The
researcher samples 6 dogs, 6 cats and 6 ferrets and trained them to
touch a target with their nose. The amount of trials required for
each animal is listed in the table below. The overall mean was
MTotal = 23.5. Assume that the amount of trials
distributes...
QUESTION 16 A researcher wanted to see whether there was a difference between NYC citizens and...
QUESTION 16
A researcher wanted to see whether there was a difference
between NYC citizens and Boston citizens in the amount of time (in
hours) they spent outside during April 2020. He collected two
samples – one of NYC citizens and the other of Boston citizens, and
measured the amount of time each subject spent outside during April
2020. Sample #1 (of NYC citizens) contained 20 subjects
(n1=24), the mean number of hours spent outside was
M1=40, and the sample’s...
A researcher wanted to see whether there was a difference between NYC citizens and Boston citizens...
A researcher wanted to see whether there was a difference
between NYC citizens and Boston citizens in the amount of time (in
hours) they spent outside during April 2020. He collected two
samples – one of NYC citizens and the other of Boston citizens, and
measured the amount of time each subject spent outside during April
2020. Sample #1 (of NYC citizens) contained 24 subjects
(n1=24), the mean number of hours spent outside was
M1=40, and the sample’s variance was...
A researcher wanted to see whether there was a difference between NYC citizens and Boston citizens...
A
researcher wanted to see whether there was a difference between NYC
citizens and Boston citizens in the amount of time (in hours) they
spent outside during April 2020. He collected two samples – one of
NYC citizens and the other of Boston citizens, and measured the
amount of time each subject spent outside during April 2020. Sample
#1 (of NYC citizens) contained 24 subjects (n1=24), the mean number
of hours spent outside was M1=40, and the sample’s variance was...
A researcher wanted to see whether there was a difference between NYC citizens and Boston citizens...
A researcher wanted to see whether there was a difference
between NYC citizens and Boston citizens in the amount of time (in
hours) they spent outside during April 2020. He collected two
samples – one of NYC citizens and the other of Boston citizens, and
measured the amount of time each subject spent outside during April
2020. Sample #1 (of NYC citizens) contained 20 subjects
(n1=24), the mean number of hours spent outside was
M1=40, and the sample’s variance was...
A researcher wanted to see whether there was a difference between NYC citizens and Boston citizens...
A researcher wanted to see whether there was a difference
between NYC citizens and Boston citizens in the amount of time (in
hours) they spent outside during April 2020. He collected two
samples – one of NYC citizens and the other of Boston citizens, and
measured the amount of time each subject spent outside during April
2020. Sample #1 (of NYC citizens) contained 20 subjects
(n1=20), the mean number of hours spent outside was
M1=40, and the sample’s variance was...
With all the fad diets advertised on TV, a researcher wanted to know if there was...
With all the fad diets advertised on TV, a researcher wanted to
know if there was a significant difference in weight loss depending
on which new fad diet you were on. Over the course of 2 weeks, a
total of 12 male volunteers who weighed the same and had similar
lifestyles were broken up into 3 groups: Diet 1, Diet 2, and Diet
3. Conduct an ANOVA on the following table with alpha = 0.5 to
determine if at least...
A researcher wanted to test the effectiveness of three different doses of medication on depression levels,...
A researcher wanted to test the effectiveness of three different
doses of medication on depression levels, so she recruited 60
people and split them evenly into the 3 groups. Below an ANOVA
summary table from his hypothetical experiment. Use this table
to answer questions below.
Source
SS
df
MS
F
Between
(A)
(C)
(F)
3.50
Within
570
(D)
(G)
Total
(B)
(E)
Using the information in the table (be sure to fill in, see
other ANOVA table based essay question),...
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