A random sample of n1 = 16 communities in western Kansas gave the following information for people under 25 years of age. x1:   Rate of hay fever per 1000 population for people under 25 99 92 122 130 94 123 112 93 125 95 125 117 97 122 127 88 A random sample of n2 = 14 regions in western Kansas gave the following information for people over 50 years old. x2:   Rate of hay fever per 1000 population for people over 50 94 109 102 98 111 88 110 79 115 100 89 114 85 96   (i) Use a calculator to calculate x1, s1, x2, and s2. (Round your answers to four decimal places.) x1 = s1 = x2 = s2 =

Q: ars of age.  x1: Rate of hay fever per 1000 population for people under 25 98  107  111  116  151…

A: Given:  n1=16 x1: Rate of hay fever per 1000 population for people under 25 98  107  111  116  151…

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: the given data for x1 is 99 92 119 129 94 123 112 93 125 95 125 117 97 122 127 88 the given data for…

Q: Consider the following four populations:• 1, 2, 3, 4, 5, 6, 7, 8• 1, 1, 1, 1, 8, 8, 8, 8• 1, 1, 4,…

A: Given data: Consider the following four populations:• 1, 2, 3, 4, 5, 6, 7, 8• 1, 1, 1, 1, 8, 8, 8,…

Q: Suppose a hypertension trial is mounted and 18 participants are randomly assigned to one of the…

A: Given: N=18 α=0.05 One-way ANOVA will be used here: Set Hypothesis:  H0: There is no difference in…

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A:

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: Given x1 x2 99 93 89 111 119 99 130 96 94 110 123 88 112 110 93 79 125 115…

Q: d) The weight of 45 watermelons from a farm is shown below.  Weight Frequency 11-15 4 16-20 8 21-25…

A: Weight Frequency (f) Mid value (x) Class boundaries f⋅x c.f 11-15 4 13 10.5-15.5 52 4 16-20…

Q: ) What is the value of the sample test statistic? (Test the difference μ1 − μ2. Round your answer to…

A: let   x¯  be the mean of first sample   and                        x¯  = ∑xn1   = 1755/16  =  109.6…

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A: Given Let X1 and X2 represent  a random sample of 10 regions in New England and 12 regions in the…

Q: According to the Carnegie unit system, the recommended number of hours students should study per…

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Q: 2. Life expectancy at birth (in years) is shown for a random sample of 60 countries in 1979. The…

A: 2. Step-by-step procedure to obtain the descriptive statistics using Excel is given below: In Excel…

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: T test for 2 independent samples

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A: we have to find minimum z scores to be in top given %. (a)  50% (b) 44% (c) 64% (d) 28% (e) 23%

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: The test statistic is t=(x¯1-X2¯)/s12+n1s22n2

Q: of adults are smokers. A random sample of 300 adults is obtained.

A: As given, Let X be the random variable such that number of adults who are smokers. According to the…

Q: Use a calculator to calculate x1, s1,  and s2. (Round your answers to four decimal places.) x1 =…

A: Given : for people under 25 years of age given data :…

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: Enter the values of Rate of hay fever per 1000 population for people under 25 and Rate of hay fever…

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: Given x1:   Rate of hay fever per 1000 population for people under 25 99 89 119 130 94 123 112 93…

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: Given: A random sample of n1 = 16 communities in western Kansas gave the following information for…

Q: Given the data set A = {O, 0, 12, 13, 14, 15, 16, 18, 22, 25, 30} the mean is the median is and the…

A:

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A: Given data: n1 = 16  x1:   Rate of hay fever per 1000 population for people under 25   99 89 121…

Q: Here is a sample of the number of cars passing over a bridge per hour during rush ho 404 408 409 416…

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Q: Consider an. netigator was interested in the average price of a house in a certain region. They…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Here is a sample of the number of cars passing over a bridge per hour during rush hour. 404 408 409…

A: Given The data is as follows: 404, 432, 452, 456, 461, 464, 471, 484, 499, 408, 433, 452, 456, 461,…

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Q: Use a calculator to calculate x1, s1, x2, and s2. (Round your answers to four decimal places.) x1 =…

A: We want to find mean and sample standard deviation and al

Q: The weight of 45 watermelons from a farm is shown below. Weight Frequency 11-15          4 16-20…

A:

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A:

Q: me people believe that different octane gasoline result in different miles per gallon in a vehicle.…

A: By applying a paired-t test sample size,n= 11 Mean (d̄) =Σd/n              =-56/11         = -5.09…

Q: A random sample of n1 = 16 communities in western Kansas gave the following information for people…

A:

Q: The contents of a random sample of 10 lubricant containers were recorded as follows: 10.2, 9.7,…

A: From the given information we conduct t test for one mean.

Q: calculate the mean and ss for each of the following sample numbers 1,3,4,0

A:

Q: A national internet service provider (ISP) claims that its broadband internet download speed is 100…

A: Given data: Significance level = 0.05 Population mean = 100

Q: A national internet service provider (ISP) claims that its broadband internet download speed is 200…

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Q: A 1995 article reported body temperatures of 20 female subjects: 97.8, 97.2, 97.4, 97.6, 97.8, 97.9,…

A: Given data: Significance level = 0.10 To test the hypothesis: H0 :μ = 98.60 versus Ha : μ ≠ 98.60

Q: ome people believe that different octane gasoline result in different miles per gallon in vehicle.…

A:

Q: rt th Ar opu ndo

A: * Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at…

Q: Suppose we want to test whether or not the average SAT score at the University of Seychelles is…

A: From provided information, It is claimed that the average SAT score at the University of Seychelles…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.