Identify the appropriate statistical test for each research
description:
Single-sample z-test
Single-samplet-test
Independent samples t-test
Related samples t-test (repeated measures or matched
samples)
Correlation
A researcher investigates whether single people who own pets are
generally happier than singles without pets. A group of non-pet
owners is compared to pet owners using a mood inventory. The pet
owners are matched one to one with the non-pet owners for income,
number of close friendships, and general health.
dentify the appropriate statistical test for each research
description:
Single-sample z-test
Single-samplet-test
Independent samples t-test
Related samples t-test (repeated measures or matched
samples)
Correlation
An office manager wants to know if there’s a gender difference
in punctuality. Over the period of one month, he records the number
of days that each employee is late, to see if there’s a difference
between male and female employees.
Indicate which test (dependent samples t-test, independent
samples t-test, independent samples z-test) is most appropriate for
the following situation:
i. Comparison of mean recycling participation between 9 large
cities and 11 small cities
ii. Comparison of the weights of 16 Toronto Maple Leaf rookies
at the beginning versus the end of the regular NHL season.
iii. Comparison of fin length of 35 male and 37 female brook
trout sampled in Spruce Lake, Nottingham Forest.
iv. Comparison of the mass of...
Write a research hypothesis for which the independent samples
t-test will be appropriate. Clearly identify the independent and
dependent variables, and two potential confounding factors.
For which of the following research questions could you test
using a dependent samples t-test? Group of answer choices Do
student athletes and non student athletes differ on levels of
self-esteem? Is there a difference in verbal problem solving skills
between science majors and art majors? Is pain tolerance different
with acupuncture versus without acupuncture needles? Do boys and
girls differ on mathematical abilities?
Assignment #3: Independent Samples T test Conduct an Independent
Samples T test to answer the questions based on the following
scenario. (Assume a non-directional research hypothesis (two-tailed
test) and a level of significance of .05) The superintendent who
collected data for Assignments 1 and 2, continued to examine the
district’s data. One question that concerned the superintendent’s
constituencies was the difference between the school performance
scores of the superintendent’s district and a neighboring district
that had similar demographic and socio-economic...
Assignment #3: Independent Samples T test Conduct an Independent
Samples T test to answer the questions based on the following
scenario. (Assume a non-directional research hypothesis (two-tailed
test) and a level of significance of .05) The superintendent who
collected data for Assignments 1 and 2, continued to examine the
district’s data. One question that concerned the superintendent’s
constituencies was the difference between the school performance
scores of the superintendent’s district and a neighboring district
that had similar demographic and socio-economic...
What is the appropriate statistical analysis to use: t-test for
two independent samples, t-test for dependent samples, ANOVA, or
chi-square test of independence? Please identify and explain why it
is appropriate.
is asking which test should i use for each question below and
why
(a) A study was conducted to see whether monetary incentives to
use less water during times of drought had an effect on water
usage. Sixty single family homeowners were randomly assigned to one
of two groups:...