Question

For the following, indicate what type of analysis (test) you would perform and what alternative hypothesis you are testing. If you think a directional test is appropriate, make sure you incorporate this in the alternative hypothesis. In your answer, please indicate 2 things: the type of analysis AND the alternative hypothesis

You measure both length and width of three species of barnacle. You are trying to figure out if there is a difference between these three species. You measure 22 barnacles of type “A”, 17 of type “B”, and 13 of type “C”. Using only a single analysis, how would you proceed?

HERE ARE YOUR OPTIONS. **For each test, decide whether it
is one sided or two sided**

- One sample t-test
- Unpooled variance t-test
- Pooled variance t-test
- Paired t-test
- Mann Whitney U test
- Chi square goodness of fit test
- Chi square contingency table test
- Correlation
- Regression

Answer #1

**Solution :**

**Type of analysis :**

We would be conducting a one-way ANOVA F test to check whether the
mean length and width of the three species are significantly
different or not.

**Alternative hypothesis :**

Our alternative hypothesis would be that the mean length and width
of the three species are indeed significantly different from one
another.

**WHAT IS ANNOVA TEST -**

An **ANOVA** test is a way to find out if survey or
experiment results are significant. In other words, they help you
to figure out if you need to reject the null hypothesis or accept
the alternate hypothesis.

**Let me know in the comment section if anything is not
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or the following, indicate what type of analysis (test) you
would perform and what alternative hypothesis you are testing. If
you think a directional test is appropriate, make sure you
incorporate this in the alternative hypothesis. In your answer,
please indicate 2 things: the type of analysis AND the alternative
hypothesis Important: You may not know how to do the correct
analysis. If this is the case, simply write “talk to a
statistician” or “I wasn't taught this” as the...

For the following, indicate what type of analysis (test) you
would perform and what alternative hypothesis you are testing. If
you think a directional test is appropriate, make sure you
incorporate this in the alternative hypothesis. In your answer,
please indicate 2 things: the type of analysis AND the alternative
hypothesis
Important: You may not know how to do the correct
analysis. If this is the case, simply write “talk to a
statistician” or “I wasn't taught this” as the...

For the following, indicate what type of analysis (test) you
would perform and what alternative hypothesis you are testing. If
you think a directional test is appropriate, make sure you
incorporate this in the alternative hypothesis. In your answer,
please indicate 2 things: the type of analysis AND the alternative
hypothesis
Important: You may not know how to do the correct
analysis. If this is the case, simply write “talk to a
statistician” or “I wasn't taught this” as the...

For the following, indicate what type of analysis (test) you
would perform and what alternative hypothesis you are testing. If
you think a directional test is appropriate, make sure you
incorporate this in the alternative hypothesis. In your answer,
please indicate 2 things: the type of analysis AND the alternative
hypothesis
Important: You may not know how to do the correct
analysis. If this is the case, simply write “talk to a
statistician” or “I wasn't taught this” as the...

For the following, indicate what type of analysis (test) you
would perform and what alternative hypothesis you are testing. If
you think a directional test is appropriate, make sure you
incorporate this in the alternative hypothesis. In your answer,
please indicate 2 things: the type of analysis AND the alternative
hypothesis
Important: You may not know how to do the correct
analysis. If this is the case, simply write “talk to a
statistician” or “I wasn't taught this” as the “Type...

what are one of the main characteristics of chi Square
analysis Goodness-to-fit test? What type of research instrument
would be a great fit for Chi Square analysis Goodness-to-fit
test?

8) What type of analysis would you use to determine whether
students represent five selected counties in roughly equal
proportions, a university official randomly selects a group of 95
university students and finds that 60 of them came from the
5-county area. The distribution of the students across the five
counties is given below. Options
Independent Samples t-test
Dependent Samples t-test
Oneway Analysis of Variance (ANOVA)
Correlation
Chi-Square Goodness of Fit (One Sample Chi-Square)
Chi-Square Test of Indpendence
Card County...

a)Formulate a research question and corresponding null and
alternative hypothesis that you will test with either a Chi-square
or McNemar’s test.
b)State the null and alternative hypotheses.
c)Set up the contingency table for your test
d)Specify which test you will use and why.

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