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 97 92 121 127 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 93 109 100 97 112 88 110 79 115 100 89 114 85 96 A) What is the value of the sample test statistic? (Test the difference μ1 − μ2. Round your answer to three decimal places.)

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: 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: Are statistics students' study hours less than the recommended number of hours per unit? The data…

A: a.   In this case, the sample size is less than 30 and the population standard deviation is not…

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…

Q: A random sample of 10 regions in New England gave the following violent crime rates (per million…

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…

A: State the hypotheses. That is, there is no evidence to conclude that the statistics students' study…

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

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

A: Given - n1 = 16 n2 = 14

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

A: Quartiles separate a data set into four sections. The first quartile (lower quartile, QL), is equal…

Q: . What is the test statistic? Round to 3 decimal places. ?v= . What is the p-value? Round to 5…

A: We have to determine test-statistic and p-value.

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: This data set is composed of incidence rates of Kaposi’s sarcoma in seventeen different regions of…

A:

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: A random sample of adults in the US was selected and the following eye colors were observed. Eye…

A: Given , the ; frequency distribution table is ; .Eye colorBlue BrownGreen Hazelother Frequency…

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: 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…

A: The question is about hypo. testing for a popl. mean Given : Popl. mean of broadband internet…

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…

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.