Question

Identify the statistical and mathematical tools you can use to determine the predictors for the level of leisure-time physical activity (make sure that your data contains at least four variables).

A. Provide reasons for using these tests.

B. Determine the most appropriate test(s) to use to analyze the data.

C. Describe how you would utilize the selected statistical test(s) to understand and interpret the data.

Answer #1

a.
State the null hypothesis.
b.
Identify the appropriate statistical test
c.
Calculate the appropriate test statistic. Make sure to report the
degrees of freedom for the statistical test (if appropriate). You
must show your work to receive full credit.
d.
State your conclusions (use a two-tailed test with a = .05 for all
tests).
e.
Compute an effect size.
A researcher knows that the weights of 6 year olds are normally
distributed with m = 20 kg and s...

Use the GSS dataset to answer the questions below. All analysis
must be completed using your own GSS data set. Failure to use your
own GSS data set will result in a zero for the question. As above,
you will need to read and interpret the question to determine which
statistical test is appropriate, as well as whether it is a
one-tailed or two-tailed test. Similar to the questions above, you
must: 1. State the null and research hypotheses 2....

what 2 tools you can use to identify possible issues in a
quickbooks online company?
-transaction journal
-import data
-account and settings
-audit log
-journal entry

A researcher is interested in the relationship between one’s
satisfaction with pay (X) and one’s commitment to the organization
(Y). The researcher collects data from 24 employees and finds that
the correlation between the two variables is r = 0.22.
a. State the null hypothesis.
b. Identify the appropriate statistical test
c. Calculate the appropriate test statistic. Make sure to report
the degrees of freedom for the statistical test (if appropriate).
You must show your work to receive full credit....

Statistical tests: For each scenario below, identify the
type of test you should use for the analysis.
82. Analyzing the effects of parasite infection on behavior of
cockroaches by comparing behavior between infected and uninfected
cockroaches during different times of the day. Trials are run in
pairs every hour for 10 hours. Each pair of trials contain one
infected cockroach and one uninfected cockroach (20 total
cockroaches examined).
a) paired t-test
b) unpaired t-test
c) c2 test (chi-squared test)
83....

Use the GSS dataset to answer the questions below. All analysis
must be completed using your own GSS data set. Failure to use your
own GSS data set will result in a zero for the question. As above,
you will need to read and interpret the question to determine which
statistical test is appropriate, as well as whether it is a
one-tailed or two-tailed test. Similar to the questions above, you
must: 1. State the null and research hypotheses 2....

T-tests are used when you want to examine differences but you do
not know everything about the population. There are three types of
t-tests that you may choose to do: one-sample t-test, independent
sample t-test, or dependent sample t-test. You can calculate these
by hand, in SPSS, or in Excel. The instructions below can be used
for SPSS and your textbook offers instructions for using Excel.
Single-sample t-tests
These tests are used when you want to determine the
probability that...

You are the School Resources Officer for a large
metropolitan high school. Recently, a controversy has emerged
regarding arrest rates for youth that attend the school. The issue
is related to the current national controversy called
Disproportionate Minority Contact. Essentially, this controversy
alleges that criminal justice practitioners arrest a higher
proportion of minority individuals.
You have been asked to analyze the arrests you and
your colleagues make at the school. You have a list of all of the
students that...

Choose a variable that will allow the use of dependent samples.
For example, you might wish to see if a persons’ proficiency at
softball has changed/improved after a training camp. Do not use
variables that are presented in the course in order to illustrate
the concept. Select a sample of data (10 to 20) value pairs (e.g.
before and after), and then complete the following:
a. Write a brief statement of the purpose of the study.
b. Define the populations...

The authors used a more advanced statistical method than is
covered by this course, however, you can apply what you know about
hypotheses and statistical tests to understand their approach.
Present hypotheses and conduct the appropriate statistical test to
assess if the intervention and control groups differed in their
Trail Making Test B results at follow-up (see Table 2). Comment on
whether the conditions were met for using the selected test,
include the StatCrunch output, and interpret your results in...

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