Test each of the following hypotheses by using the given information. Assume the populations are normally distributed.
Question:
Test each of the following hypotheses by using the given information. Assume the populations are normally distributed.
a. H0: σ2 = 20
Ha: σ2 > 20
α = .05, n = 15, s2 = 32
b. H0: σ2 = 8.5
Ha: σ2 ≠ 8.5
α = .10, n = 22, s2 = 17
c. H0: σ2 = 45
Ha: σ2 > 45
α = .01, n = 8, s2 = 4.12
d. H0: σ2 = 20
Ha: σ2 ≠ 20
α = .05, n = 11, s2 = 1.2
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 76% (13 reviews)
a H 0 2 20 05 n 15 df 15 1 14 s 2 32 H a 2 20 c 2 0514 236848 c 2 224 Since ...View the full answer
Answered By
Muhammad Umair
I have done job as Embedded System Engineer for just four months but after it i have decided to open my own lab and to work on projects that i can launch my own product in market. I work on different softwares like Proteus, Mikroc to program Embedded Systems. My basic work is on Embedded Systems. I have skills in Autocad, Proteus, C++, C programming and i love to share these skills to other to enhance my knowledge too.
3.50+
1+ Reviews
10+ Question Solved
Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
Question Posted:
Students also viewed these Statistics questions
-
Test the following hypotheses by using the given data and alpha equal to .05. H0: p1 - p2 = 0 Ha: p1 - p2 0 Sample 1 .. Sample 2 n1 = 783 .... n2 = 896 x1 = 345 .... x2 = 421
-
Test the following hypotheses by using the given data. Let = .05. H0: 21 = 22 Ha: 21 22 n1 = 8, n2 = 10, s21 = 46, s22 = 37
-
Test the following hypotheses by using the given data and alpha equal to.05. Sample 1 Sample 2 n, = 783 X1 = 345 n2 = 896 x, = 421
-
The separation of operational responsibility from record keeping is meant to prevent different types of misstatements than the separation of the custody of assets from accounting. Explain the...
-
1. Why do you think the media paid so much attention to the error in the Pentium chip which occurred only once in every 9 billion divisions? Was the margin for accuracy high enough for the typical...
-
The following are Merpati Bhd's transactions related to non-current liabilities throughout the year ends December 31, 2023. January 1 Issuing 10% Payable Bonds worth RM1,000,000 at a price of RM...
-
Figure 11.65 presents the PFD of a process for the recovery of methane from a feed stream consisting of \(75 \%\) methane and \(25 \%\) nitrogen. The process feed is first cooled from 90 to...
-
John's Custom Computer Shop (JCCS) assembles computers for both individual and corporate customers. The company is organized into two divisions: Personal and Business. Once a computer is built, it is...
-
Osborn Manufacturing uses a predetermined overhead rate of $18.60 per direct labor-hour. This predetermined rate was based on a cost formula that estimates $230,640 of total manufacturing overhead...
-
The National Football League (NFL) records a variety of performance data for individuals and teams. To investigate the importance of passing on the percentage of games won by a team, the following...
-
Where do CFOs get their money news? According to Robert Half International, 47% get their money news from newspapers, 15% get it from communication/colleagues, 12% get it from television,11% from the...
-
Previous experience shows the variance of a given process to be 14.Researchers is testing to determine whether this value has changed. They gather the following dozen measurements of the process. Use...
-
The financial statements of P&G are presented in Appendix 5B or can be accessed at the books companion website, www.wiley.com/college/kieso. Instructions Refer to P&Gs financial statements and the...
-
1. Classify the following open-channel flow situations: (a) Flow from the sluice gate (b) Flow in a main irrigation canal (c) A river during flood (d) Breaking of a dam 2. Explain why problems of...
-
Define human resource management. Based on your experience, how do you think human resource management has played a role in your workplace as a medical assistant Human resource management is defined...
-
Explain the attitude of International Law over Nigeria Law.?
-
Suppose 8.3 kg of chloroform at 11.4C is poured into 9 kg of propylene glycol at 40.4C. Calculate the final equilibrium temperature (in Celsius), neglecting any energy processes associated with...
-
What is the scenario of total loss and bankrupt partners is a worst-case scenario?
-
A balloon and its gondola have a total (empty) mass of 2.0 10 2 kg. When filled, the balloon contains 900 m 3 of helium at a density of 0.183 kg. Find the added load, in addition to its own weight,...
-
Research an article from an online source, such as The Economist, Wall Street Journal, Journal of Economic Perspectives, American Journal of Agricultural Economics, or another academic journal. The...
-
Pelton wheels are used for minimum heads of: (a) \(20 \mathrm{~m}\) (b) \(100 \mathrm{~m}\) (c) \(125 \mathrm{~m}\) (d) \(180 \mathrm{~m}\)
-
The exponential distribution can be used to solve Poisson-type problems in which the intervals are not time. According to SITA, the Geneva-based organization that provides World Tracer and other...
-
During the dry month of August, one Canadian city has measurable rain on average only 2 days per month. If the arrival of rainy days is Poisson distributed in this city during the month of August,...
-
Tool workers are subject to work-related injuries. One disorder, caused by strains to the hands and wrists, is called carpal tunnel syndrome. It strikes as many as 23,000 workers per year. It is...
-
s Machine-hours required to support estimated production Fixed manufacturing overhead cost Variable manufacturing overhead cost per machine-hour Required: 1. Compute the plantwide predetermined...
-
How do visionary leaders navigate the complexities of organizational dynamics to cultivate a culture of innovation and adaptability ? Explain
-
Finnish Corporation manufactures custom molds for use in the extrusion industry. The company allocates manufacturing overhead based on machine hours. Selected data for costs incurred for Job 532 are...
Study smarter with the SolutionInn App