If the population standard deviation is known, but the sample size is less than 30, what assumption

Question:

If the population standard deviation is known, but the sample size is less than 30, what assumption is necessary to use the z-statistic in carrying out a hypothesis test for the population mean?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Introduction To Business Statistics

ISBN: 9780324381436

6th Edition

Authors: Ronald M. Weiers

See More Books

Question Posted: Jun 09, 2018 02:54 AM

See More Questions

An advertising company wishes to estimate the mean household income for all single working professionals who own a foreign automobile. If the advertising company wants a 90% confidence interval...
Consider H0: = 100 versus H1: 100. a. A random sample of 64 observations produced a sample mean of 98. Using = .01, would you reject the null hypothesis? The population standard deviation is...
Identify the distribution (normal, Student t, chi-square) that applies to each of the following situations. (If none of the three distributions is appropriate, then so state.) a. In constructing a...
What are the advantages and disadvantages of Qantass international cooperative alliances? The Qantas Group maintained its strong position in the Australian domestic market in 2016/17. Through a dual...
How do binomial and hyper geometric random variables differ? In what respects are they similar?
What happens if a system goes into an absorbing state? a. It will evolve in multiple states. b. Its future states will be the same as its present state. c. It cannot go to another state in the...
Why would it normally be easier for an established business than for a new business to prepare projected financial statements?
On July 1, 2016, Killearn Company acquired 88,000 of the outstanding shares of Shaun Company for $13 per share. This acquisition gave Killearn a 25 percent ownership of Shaun and allowed Killearn to...
Problems: 1. UOL Study Guide, Learning outcomes, p. 91: a) Carefully explain the notion of an arbitrage strategy and the key elements of the absence- of-arbitrage valuation paradigm. Do not just...
The diagram shows the curve C with parametric equations The curve crosses the y-axis and the x-axis at points A and B respectively. The line l intersects the curve at points A and B. Find the...
A researcher wants to carry out a hypothesis test involving the mean for a sample of size n = 18. She does not know the true value of the population standard deviation, but is reasonably sure that...
The p-value for a hypothesis test has been reported as 0.03. If the test result is interpreted using the = 0.05 level of significance as a criterion, will H 0 be rejected? Explain.
Which of the following is not an indirect cost? (a). Wages of production department machine operator. (b). Wages of a production department cleaner. (c). Materials used for machine maintenance in the...
Evaluation a. Evaluate the effectiveness of social media marketing campaign for instagram, facebook and pintrest ?based on your KPIs for example account reached, content reached, likes, shares,...
A study was performed at a university to analyze whether the preference for hamburgers or fried chicken is related to the gender of the student. This table lists the results of the study. At a =...
A 20-lb homogeneous box has tipped and is resting against a 40-lb homogeneous box as shown in figure attached. The coefficient of friction between box A and the floor is 0.7, and between box B and...
The Taylor series for natural logarithm (with base e) In(1+r) is In(1+2) -(-1)+1 for <1. (a) Write a user-defined function using loop that determines In(1+x) using the above Taylor series. Your...
Question 1: [up to 4 pts] Suppose that a = 1, a2 = 2, a3 = = 3, and an = an-3 for all n 4. If an integral with respect to y is used to find the area of R, what should the upper limit of integration...
Evaluate the following limits. Use lHpitals Rule when needed. 3 sin 80 lim 0-0 8 sin 30
A horizontal annulus with inside and outside diameters of 8 and 10 cm, respectively, contains liquid water. The inside and outside surfaces are maintained at 40 and 20oC, respectively. Calculate the...
In the past, 44% of those taking a public accounting qualifying exam have passed the exam on their first try. Lately, the availability of exam preparation books and tutoring sessions may have...
Heritage Union has said that 66% of U.S. adults have purchased life insurance. Suppose that for a random sample of 50 adults from a given U.S. city, a researcher finds that only 56% of them have...
According to the National Association of Home Builders, 55% of new single-family homes built during 2005 had a fireplace. Suppose a nationwide homebuilder has claimed that its homes are a cross...
Determine the simple interest earned on $10,000 after 10 years if the APR is 15%
give me an example of 10 transactions from daily routine that we buy and put for me Liabilities + Owners' Equity + Revenues - Expenses
What is the Macaulay duration of a bond with a coupon of 6.6 percent, seven years to maturity, and a current price of $1,069.40? What is the modified duration? (Do not round intermediate...

If the population standard deviation is known, but the sample size is less than 30, what assumption

Question:

Step by Step Answer:

If n 30 we must assum...View the full answer

Introduction To Business Statistics

Students also viewed these Mathematics questions