Conduct both one- and two-tailed tests

Assignment Help Basic Statistics
Reference no: EM131797684

A sample of 105 sanitation workers for the city of Euonymus, Texas, earns an average of $24,375 per year. The average salary for all Euonymus city workers is $24,230, with a standard deviation of $523. Is the sanitation workers' salary significantly different from that of city workers as a whole? Conduct both one- and two-tailed tests.

Reference no: EM131797684

Questions Cloud

Average score on the college entrance exams : A random sample of 137 seniors at Littlewood Regional High School shows a mean score of 502. Is there a significant difference?
How much loss may jill deduct : At beginning of the year, Jill's basis in her 40% limited partnership interest was $10,000. How much loss may Jill deduct if she has $40,000 of passive income
Significantly different from the national average : A random sample of 423 Chinese Americans has finished an average of 12.7 years of formal education, with a standard deviation of 1.7.
Sales and operations planning process : Discuss and identify the major elements associated with the Sales and Operations Planning Process.
Conduct both one- and two-tailed tests : Is the sanitation workers' salary significantly different from that of city workers as a whole? Conduct both one- and two-tailed tests.
Calculate the employers payroll taxes : Calculate the employer's payroll taxes, using the following rates: state unemployment, 4.4%; federal unemployment, 0.9%.
Same sample of senior citizens : The same sample of senior citizens reports that they belong to an average of 2.1 voluntary organizations and clubs, with a standard deviation of 0.5.
What is the effect on joe basis for these debts : The partnership incurs $50,000 of nonrecourse debt and $100,000 of recourse debt. What is the effect on Joe's basis for these debts
Determining the national average : A random sample of 26 local sociology graduates scored an average of 458 on the GRE advanced sociology test, with a standard deviation of 20.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Step hypothesis testing process

What 5 or 6 step hypothesis testing process do you recommend? Is the null hypothesis 100 or 102 shells? Is the alternate hypothesis 100 or 102 shells?

  What is the range for gre scores

Recall that GRE scores are approximately bell-shaped with a mean of 497 and standard deviation of 115. The minimum and maximum possible scores on the GRE exam.

  Coefficient of determination from the anova table

In a simple linear regression analysis of 18 data points the following ANOVA table was found.

  Question regarding the uniquencess theorem

Let X and Y be two random variables with moment generating functions MX (t) and MY(t), respectively. If MX(t) for all values of t, then X and Y have the same probability distribution.

  What issues did the third world radicalism address

What issues did the third world radicalism address? How successful were their leaders in implementing their goals?

  Evaluate p-value of the chi-square test of this hypothesis

Suppose we wish to test the null hypothesis that there are no differences among the proportion of men and women who developed a rash. Evaluate the P-value of the chi-square test of this hypothesis.

  Confidence interval for the mean amount left by all groups

A random sample of 52 groups gave a mean of $8.30 with a standard deviation of $2.42. Find a 90% confidence interval for the mean amount left by all groups.

  I there significance evidence of a reduction in

q1. an investigator hypothesizes that cholesterol level in children might be affected by educating their

  What is the value of the test statistic

Referring to the information above, what is the value of the test statistic?

  Find probability that sample mean will be greater than value

Determine the probability that sample mean will be greater than M=510. In symbols, what is p(M>510)? Determine the probability that sample mean will be greater than M=520.

  Point estimate and interval estimate for population

Differentiate between a point estimate and an interval estimate for a population parameter. What is necessary for an interval estimate to be a confidence interval?

  A production process is set to manufacture bolts with a

a production process is set to manufacture bolts with a diameter of 0.5 inches. the process has a standard deviation of

Free Assignment Quote

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd