This activity involves testing a hypothesis about a population mean, μ,μ, where σσ, the population standard deviation is unknown. We will test a hypothesis about the number of letters in students' last names. The claim is that the average number of letters in students' last names is less than 7. Assume that the population standard deviation, σ,σ, is not known and that s the sample standard deviation has to be calculated.students last names:Flores - 6Zhang - 5Vuong - 5Figueroa - 8Decide the significance level you are going to use to test.Determine the mean (average) and the standard deviation of the last names. Hi my name isStep 1: Ho: uHai 4.(make sure you put in the appropriate symbols, values and labels)Step 2: aStep 3: Critical value(s): ta%3Ddegrees of freedom (n - 1) =Step 4: Graph, label and shade the critical regions and label the critical values. Step 5: Test statistic (show all steps) :t =Calculate: mean:standard deviation:Person's lastXX2variance:namez:Step 6: Decision criteria:reject Ho if trest.tevStep 7: DecisionStep 8: Conclusion (write the appropriate conclusion with theclaim):Totals

The necessary calculations are made in the following table:

Answered: This activity involves testing a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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This activity involves testing a hypothesis about a population mean, μ,μ, where σσ, the population standard deviation is unknown. We will test a hypothesis about the number of letters in students' last names. The claim is that the average number of letters in students' last names is less than 7. Assume that the population standard deviation, σ,σ, is not known and that s the sample standard deviation has to be calculated.

students last names:

Flores - 6

Zhang - 5

Vuong - 5

Figueroa - 8

Decide the significance level you are going to use to test.
Determine the mean (average) and the standard deviation of the last names.

Hi my name is
Step 1: Ho: u
Hai 4.
(make sure you put in the appropriate symbols, values and labels)
Step 2: a
Step 3: Critical value(s): ta
%3D
degrees of freedom (n - 1) =
Step 4: Graph, label and shade the critical regions and label the critical values.

Step 5: Test statistic (show all steps) :
t =
Calculate: mean:
standard deviation:
Person's last
X
X2
variance:
name
z:
Step 6: Decision criteria:
reject Ho if trest.
tev
Step 7: Decision
Step 8: Conclusion (write the appropriate conclusion with the
claim):
Totals

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