How would you figure out these two problems? David E. Brown is an expert in wildlife conservation. In his book The Wolf in the Southwest: The Making of an Endangered Species (University of Arizona Press), he records the followingweights of adult grey wolves from two regions in Old Mexico.Chihuahua region: x, variable in pounds86 75 9170 798068 71 74 64Durango region: x2 variable in pounds6872 796877 89 62 55 68685963 665854 71 5967(a) Use a calculator with mean and standard deviation keys to calculate x1, S1, X2, and s3. (Use 2 decimal places.)x1S1X2(b) Let uj be the mean weight of the population of all grey wolves in the Chihuahua region. Let u2 be the mean weight of the population of all grey wolves in the Durango region.Find a 98% confidence interval for uj - µz. (Use 2 decimal places.)lower limitupper limit Sherds of clay vessels were put together to reconstruct rim diameters of the original ceramic vessels at the Wind Mountain archaeological sitet. A random sample of ceramic vessels gavethe following rim diameters (in centimeters).15.913.422.1 12.713.119.611.713.517.718.1(a) Use a calculator with mean and sample standard deviation keys to find the sample mean x and sample standard deviation s. (Round your answers to one decimal place.)cmS =cm(b) Compute a 90% confidence interval for the population mean u of rim diameters for such ceramic vessels found at the Wind Mountain archaeological site. (Round your answersto one decimal place.)lower limitcmupper limitcm

Given, X1 X2 85 68 75 72 91 79 70 68 79 77 80 89 68 62 71 55 74 68 64 68…

David E. Brown is an expert in wildlife conservation. In his book The Wolf in the Southwest: The Making of weights of adult grey wolves from two regions in Old Mexico. Chihuahua region: x, variable in pounds 86 75 91 70 79 80 68 71 74 64 Durango region: x2 variable in pounds 68 72 79 68 77 89 62 55 68 68 59 63 66 58 54 71 59 67 (a) Use a calculator with mean and standard deviation keys to calculate x1, s1, x2, and s2. (Use 2 X1 X2 52

David E. Brown is an expert in wildlife conservation. In his book The Wolf in the Southwest: The Making of weights of adult grey wolves from two regions in Old Mexico. Chihuahua region: x, variable in pounds 86 75 91 70 79 80 68 71 74 64 Durango region: x2 variable in pounds 68 72 79 68 77 89 62 55 68 68 59 63 66 58 54 71 59 67 (a) Use a calculator with mean and standard deviation keys to calculate x1, s1, x2, and s2. (Use 2 X1 X2 52

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.

Question

How would you figure out these two problems?

David E. Brown is an expert in wildlife conservation. In his book The Wolf in the Southwest: The Making of an Endangered Species (University of Arizona Press), he records the following
weights of adult grey wolves from two regions in Old Mexico.
Chihuahua region: x, variable in pounds
86 75 91
70 79
80
68 71 74 64
Durango region: x2 variable in pounds
68
72 79
68
77 89 62 55 68
68
59
63 66
58
54 71 59
67
(a) Use a calculator with mean and standard deviation keys to calculate x1, S1, X2, and s3. (Use 2 decimal places.)
x1
S1
X2
(b) Let uj be the mean weight of the population of all grey wolves in the Chihuahua region. Let u2 be the mean weight of the population of all grey wolves in the Durango region.
Find a 98% confidence interval for uj - µz. (Use 2 decimal places.)
lower limit
upper limit

Sherds of clay vessels were put together to reconstruct rim diameters of the original ceramic vessels at the Wind Mountain archaeological sitet. A random sample of ceramic vessels gave
the following rim diameters (in centimeters).
15.9
13.4
22.1 12.7
13.1
19.6
11.7
13.5
17.7
18.1
(a) Use a calculator with mean and sample standard deviation keys to find the sample mean x and sample standard deviation s. (Round your answers to one decimal place.)
cm
S =
cm
(b) Compute a 90% confidence interval for the population mean u of rim diameters for such ceramic vessels found at the Wind Mountain archaeological site. (Round your answers
to one decimal place.)
lower limit
cm
upper limit
cm

Expert Solution

Step 1

Given,

X1	X2
85	68
75	72
91	79
70	68
79	77
80	89
68	62
71	55
74	68
64	68
	59
	63
	66
	58
	54
	71
	59
	67

Step by step

Solved in 3 steps

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$Fundamental Counting Principle$

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How do I solve the following problem?
Question 3Bob is a young entrepreneur who recently graduated from UPSA and using three different ingredient (flour, sugar and butter) to produce three different kinds cakes namely Boban, Boapp and Bopine to be supplied to a pastries store at Shoprite. In order to produce a dozen cakes of Boban requires 5g each of flour, sugar and butter. Also, producing Boapp requires 15g each of butter and sugar together with 20g of flour while producing Bopine requires 15g each of sugar and flour, and 20g of butter. In any particular day, the company has a total of 17500g, 16000g and 18500g of butter, sugar and flour available respectively.(a) Write three linear equations and hence form a matrix to represent the above problem (b) Determine the number dozens of cakes of each brand of cakes that should be produced from the available raw materials using matrix inversion