shops Thanksgiving Christmas a 46 68 b 14 42 c 17 23 d 25 34 e 33 58 a) The above data represents the products sold during Thanksgiving and christmas for five different grocery shops. Is there evidence to support that the products sold by the grocery shops during thanksigivng and christmas is different from eachother? α=.05 b) Calculate a 95% confidence on the difference in the mean products sold during the two holidays.

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A: by bartleby policy i can gives only 3 subparts answers at a time  From given data we have : Total…

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A: Given that  Total cards = 52 There are 4 suit and each suit has 13 cards Note : nCr = n! / {r! * (n…

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A: Let X1 be the selling price for the USA. X2 is the selling price for Japan. Given that, n1=number of…

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A: From given data we have ; x1=36 , x2=94 n1=42 , n2=107 the sample proportions as shown below:…

Q: In a particular statistics exam, the 10th percentile of final exam score is 59, and the 90th…

A: given data 10th percentile = 5990th percentile = 93normal distribution σ = ?

Q: You compute a two-sample z statistic and it comes out to equal 1.6. What is the p-value if you are…

A: GIVEN DATA, two sample z test test statistics:z=1.6p-value for two-tailed test=?

Q: Find the best predicted value of y corresponding to the given value of x. ^ 44) Six pairs of data…

A: We have given that  Six pair of data (n) = 6 r = 0.444 Regression equation ŷ = 5x + 2, and ȳ = 18.3

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A: Given:   Studying Not Studying Total Male 13 11 24 Female 7 9 16 Total 20 20 40…

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A: Since we know that A type I error occurs when we reject a null hypothesis when it is actually true A…

Q: ​Claim: The mean systolic blood pressure of all healthy adults is less than 123 mm Hg. Sample​ data:…

A: Given claim: The mean systolic blood pressure of all healthy adults is less than 123 mm Hg.

Q: The following are the course grades of a statistics student (in order of performance) from his first…

A: We are given as follows.  The course grades of a statistics student (in order of performance) from…

Q: Dependent and independent variables used in regression analysis can be interchanged. True False *

A: Regression line Y=aX+b

Q: Find the mean of the following probability distribution? Round your answer to one decimal. P(x) X 0…

A: x P(x) x*P(x) 0 0.1514 0 1 0.1841 0.1841 2 0.2509 0.5018 3 0.2208 0.6624 4 0.1928 0.7712…

Q: What type of graph would you used to describe the variable "Age"?      A histogram because "Age"…

A: The variable of interest is Age.

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: It is given that x is the thousands of automatic weapons and y is the murders per 100,000 residents.

Q: The rabies vaccine for dogs can save your dog's life. If your dog bites another animal or is on the…

A: To find: What kind of test will you need to perform?

Q: comfortably or not. Of the 1007 surveyed, 525 stated that they were worried about having enough…

A: Given that  Sample size n =1007 Favorable cases x =525 Sample proportion p^=x/n  =525/1007 =0.5214

Q: A gambling game pays 8 to 1 and has chance 1 out of 10 of winning. If someone plays this game 225…

A: Given A gambling game pays 8 to 1 and has chance 1 out of 10 of winning. If someone plays this game…

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A: Given that We have to test the claim that the matched pairs have differences that come from a…

Q: Suppose that the value of a stock varies each day from $12.22 to $45.34 with a uniform distribution.…

A: Given that.  X ~ Uniform (12.22 , 45.34)

Q: In the week before and the week after a holiday, there were 12,000 total deaths, and 5934 of them…

A: Givensample size(n)=12000x=5934sample proportion(p^)=xn=593412000=0.4945confidence level=90%

Q: how do you find X in part b

A: b) The regression equation is y^=31-2x.

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: Given that Internet Users 80.6 78.2 57.3 67.0 77.6 39.1   Award Winners 5.5 8.6 3.4 1.7 11.1 0.1 We…

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A: Let X be the random variable from binomial distribution with probability (p) = 49% = 0.49 and sample…

Q: d) Is it applicable to follow up with Tukey-Kramer pairwise comparisons? If so,  determine which…

A: Given the data as Day 1 Day 2 Day 3 4.6 5.0 5.7 3.9 5.0 5.6 5.0 5.1 5.3 4.8 5.2 5.5 5.2…

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A: Here we have given the table, Using this table we have to find the probability. Here,  N : no…

Q: et x be a random variable representing the area (in square feet) of single-family houses in a town.…

A: given data, n=31claim:μ=2160X¯=2095s=163.7value of test statistice=?

Q: strings of lights across the country. The strings of lights range in weight from 50 to 221 ounces.…

A:

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A: given data, claim:μ=100n=16x¯=106.3s=11.8df=n-1=16-1=15p-value =?

Q: It is known that 37% of new freshmen at State University will graduate within 6 years. Suppose we…

A: Given P=0.37 n=70

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A: Given At age 18 average score=100,SD=15 At age 35 average score=100,SD=15

Q: Determine if the population mean is different from 26 at the α=0.01 level of significance.   P VALUE

A: It is given that  Population mean = 26 Sample mean = 31.8 Sample standard deviation = 6.3 Sample…

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A: Given the loss distribution function for a certain line of business in 2019 is Fx=1-x-5 , x>1 The…

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A: Given that  (a) separate the lowest 80% from the highest 20%(b) separate the lowest 90% from the…

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A: given data, normal distributionμ=250σ=45n=121probability the sample mean spent on groceries per week…

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A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: The agent of a popular American singer wants to see if there is a difference in the average price of…

A: Given information: The data is given. Sample size:n1=20n2=25α=0.05   Find: Test the given claim.

Q: 11. In a recent year, the total scores for a certain standardized test were normally distributed,…

A: Given,mean(μ)=500standard deviation(σ)=10.8

Q: The accompanying data table lists measures of self-esteem from a student project. The objective of…

A: Given information:     Subject's self esteem     Low Medium High Target's self esteem Low 4 2…

Q: A New York Times article reported that a survey conducted in 2014 included 36,000 ​adults, with…

A: It is given that  p = 3.66% = 0.0366 Margin of error, E = 2% = 0.02 Confidence level = 95%

Q: d. Check the regression assumptions using a normal probability plot of the residuals and a plot of…

A: Given information: Age of Patient(x) Days Since Last Visit(y) 22 260 27 319 62 31 47 125…

Q: The histogram below shows the amount of time spent on a new app on mobile phones by thousand…

A: We have given:

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A: The cumulative area is 0.1941 That is P(Z< z) =0.1941

Q: The following set of data represents the number of orders filled by a national-chain restaurant…

A: data in accending order 61,66,67,67,68,73,74,75,75,75,82,85,86,89n = 14

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A: given data normal distributionμ = 41000σ = 1200

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A: It is given that  r(50) = -0.97 p < 0.001

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Q: Suppose a jar contains 8 red marbles and 23 blue marbles. If you reach in the jar and pull out 2…

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Q: A large group of people get together. Each one rolls a die 150 times, and counts the number of aces…

A: Given n=150 P=1/6