Hypothesis test for means

Reference no: EM1321090

Question: A company making plastic optical components was studying inconsistencies in an optical measurement called tilt. 2 different types of pins used in the mold produced the following results:

	Taper Locks	Locking Pins
X bar	1.262	0.561
S	0.297	0.307
n	20	20

[A] Repeat a. that the population variances are not equal.

[B] Compare the results of a & b
[C] Suppose the population variances are equal & the population is normally distributed, at the 0.5 level of significance, is the evidence of a difference in the means between taper locks & locking pins.

Reference no: EM1321090

Questions Cloud

Find the tailed test and test statistic : The sample mean is 2.59 and the sample standard deviation is .66. Conduct the following test using 95% level of confidence.

Use of ethical standards in management communications : Relate an organizational example of the use or lack of use of ethical standards in management communications. The example may be from your own workplace or from a business situation with which you are familiar.

Calculate the correlation coefficient for the linear trend : Calculate the correlation coefficient for the linear trend line forecast & describe its meaning.

Carter cleaning company-formal grievance process : Do you think it is important for Carter Cleaning Company to have a formal grievance process? Why or why not??

Hypothesis test for means : Hypothesis test for two differences between means

Cost of living in mexico : The cost of living in Mexico is substantially below that of where Carter is now located: How would you go about developing a pay plan for your new manager if you decided to send an expatriate to Mexico?

Find p value and interpret its meaning : Find p-value and interpret its meaning

Competition between nations for investment and technology : Globalization in the 21st century has increased competition between nations for investment, technology, and labor.

Test at the five percent level of significance : Test at the five percent level of significance

Reviews

Write a Review

Required(*) Message

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages