Refer to Exercise 7.97. For each part, a-d, form a 90% confidence interval for . In Exercise
Question:
Refer to Exercise 7.97. For each part, a-d, form a 90% confidence interval for σ.
In Exercise 7.97
Given the following values of x , s , and n , form a 90% confidence interval for s2 .
a. x̅ = 21, s = 2.5, n = 50
b. x̅ = 1.3, s = .02, n = 15
c. x̅ = 167, s = 31.6, n = 22
d. x̅ = 9.4, s = 1.5, n = 5
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 61% (13 reviews)
To find the 90 confidence interval for we need to take the squa...View the full answer
Answered By
ANDREW KIPRUTO
Academic Writing Expert
I have over 7 years of research and application experience. I am trained and licensed to provide expertise in IT information, computer sciences related topics and other units like chemistry, Business, law, biology, biochemistry, and genetics. I'm a network and IT admin with +8 years of experience in all kind of environments.
I can help you in the following areas:
Networking
- Ethernet, Wireless Airmax and 802.11, fiber networks on GPON/GEPON and WDM
- Protocols and IP Services: VLANs, LACP, ACLs, VPNs, OSPF, BGP, RADIUS, PPPoE, DNS, Proxies, SNMP
- Vendors: MikroTik, Ubiquiti, Cisco, Juniper, HP, Dell, DrayTek, SMC, Zyxel, Furukawa Electric, and many more
- Monitoring Systems: PRTG, Zabbix, Whatsup Gold, TheDude, RRDtoo
Always available for new projects! Contact me for any inquiries
4.30+
1+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Statistics questions
-
Refer to Exercise 7 (State Income Tax). a. Determine Q1, Q2 and Q3 for the tax rate data. b. In which quartile is New York? Missouri? Alaska Florida Nevada Rhode Island Georgia Kentucky Louisiana...
-
For each of the following values of the marginal propensity to consume (MPC), find the value of the multiplier. Use the equation from footnote 4 on page 308 to also calculate the value of the tax...
-
Refer to Exercise 7 (State Income Tax). Determine the inter-quartile range for the tax rate data. Alaska Florida Nevada Rhode Island Georgia Kentucky Louisiana Missourn Kansas W Virginia 5.99 New...
-
1 points Question 11 Your 91-year-old great-aunt has terminal cancer. You and shehave had many conversations regarding what she would want done ifshe were incapacitated and could not make choices...
-
Explain the distinction between a command system and an incentive system. Discuss.
-
Describe situational factors influencing ethical behaviour and outline mechanisms for ethical management.
-
Consider a square loop of wire that carries a clockwise current when viewed from above. What is the direction of the magnetic field at the center of the square loop due to \((a)\) the left side,...
-
Colin Davis Machine Company maintains a general ledger account for each class of inventory, debiting such accounts for increases during the period and crediting them for decreases. The transactions...
-
What industry is Airbnb in? Is Airbnb in a risky industry? Why/when Airbnb begin its operations? Has Airbnb announced an IPO, or possibly a SPAC deal, since it received its initial funding? If now...
-
The tabular analysis of transactions for Wolfe Company is presented in E3.4. Instructions Prepare an income statement and a retained earnings statement for August and a classified balance sheet at...
-
For each of the following combinations of a and degrees of freedom (df), use Table VII in Appendix B to find the values of x2/2 and, x2(1-/2) that would be used to form a confidence interval for 2....
-
Refer to the Applied Psychology in Criminal Justice (Sept. 2009) study of the personality characteristics of convicted drug dealers, Exercise. A random sample of 100 drug dealers had a mean Wanting...
-
What challenges is Maia Josebachvili likely to face as she manages her career through her thirties?
-
Find the area under the curves in Problems 33-40 on the given intervals. \(y=x^{2}\) on \([1,9]\)
-
Find the area under the curves in Problems 33-40 on the given intervals. \(y=x+3\) on \([1,3]\)
-
Find the area under the curves in Problems 33-40 on the given intervals. \(y=x^{2}\) on \([2,5]\)
-
Find the average and instantaneous rates of change of the functions in Problems 33-36. \(f(x)=-2 x^{2}+x+4\) a. average for \(x=4\) to \(x=9 \) b. instantaneous at \(x=4 \)
-
Graph each sequence in Problems 35-42 in two dimensions. \(a_{n}=\frac{2}{n}\)
-
Three points are given in each of Problems 1114. Find the equation of the circle determined by these points, as well as its center and radius. (1,0), (0, -5), and (-5,-4)
-
The pendulum consists of two rods: AB is pin supported at A and swings only in the y-z plane, whereas a bearing at B allows the attached rod BD to spin about rod AB. At a given instant, the rods have...
-
The average rate of water usage (thousands of gallons per hour) by a certain community is known to involve the lognormal distribution with parameters p = 5 and a = 2. It is important for planning...
-
For Review Exercise 6.72, what is the mean of the average water usage per hour in thousands of gallons?
-
In Exercise 6.52 on page 206, the lifetime of a transistor is assumed to have a gamma distribution with mean 10 weeks and standard deviation V50 weeks. Suppose that the gamma distribution assumption...
-
Provide an overview of the best practices in risk identification during the risk identification step.
-
Explain what role does "Lead Time and Process Speed" play in the implementation of Lean Six Sigma?
-
In recent years, some Walmart workers have staged public protests about inadequate wages and unfair treatment. A number of these employees claim that management has retaliated against them for...
Study smarter with the SolutionInn App