Do you think statistics is useful in business analysis? Discuss in not more than 150 words

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…

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Q: A market research group would like to know the satisfaction of subscribers in terms of the quality…

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Q: A store claims that on the average they sell 800 pieces of candies. During the last five days, 785,…

A: Note: If the post contains multiple questions only allow to do first question as per guidelines of…

Q: In a Pew Research Center Poll, 74% of 3012 adults surveyed said that they use internet. 6. A point…

A: 6) It is given that 74% of 3012 adults surveyed said that they use internet.

Q: 8.67 Free recall memory strategy. Psychologists who study memory often use a measure of "free…

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Q: Which of the distributions shown has the smallest standard deviation? e: O The green curve, because…

A: Given : There is given 3 curve in a diagram which is shown by red , green and black color

Q: Q1: a) Consider the following functions of the random variables Y₁, Y2, Y3, and Y4 W₁ = 1 / (Y₁ + Y₂…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: Q3) The following data represents the score of 40 students in one exam 26 72 41 59 60 88 35 48 11 84…

A: According to the given information in this question We need to find the value of arithmetics mean

Q: In a factory manufacturing electronic components there are four machine operators and five machines…

A: First we state the hypothesis for the above question. H01 : There is no difference between…

Q: Q5) If the following data set obey equation, i.e. y=a+bx linear regression x 3 4 5 9 11 y 42 38 31…

A: Solution-: We want to find linear regression equation and the predicted value of Y if X=12.5?

Q: The following data shows the car rental companies and their cars and corresponding income in the…

A: From the given data  The scatterplot is

Q: Suppose that the school/college teaching the class is also recorded for each class (for example,…

A: Here we want to know correct graphical procedure.

Q: True or False The PEW Researcher center based on a sample of 10,000 recent college graduates says…

A: We need to find whether the given statements are true.

Q: Isabella wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She…

A: The following information has been given: The sample size is n=73. The sample mean is X¯=9.6. The…

Q: 1. The Impact of the Level of Native Language Proficiency on the Literacy Achievement of English…

A: Since you have posted more than one question we will solve first question for you according to our…

Q: A poll showed that 50% of Americans say they believe that life exists elsewhere in the galaxy. What…

A: here given , A poll showed that 50% of Americans say they believe that life exists elsewhere in the…

Q: If X=135, a=29, and n = 34, construct a 99% confidence interval estimate of the population mean, μ.…

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Q: A repeated-measures t-test is also known as a(n) ___________. Group of answer choices…

A: See the below solution

Q: A store claims that on the average they sell 800 pieces of candies. During the last five days, 785,…

A: “Since you have posted multiple  questions , we will solve first question for you. To get the…

Q: Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender A…

A: The question is about probability Given :

Q: 3. The Impact of Inductive Method on Teaching Writing a Position Paper INDEPENDENT VARIABLE…

A: The values of dependent variable depends upon the values of independent variable. Independent…

Q: The graph should be a projection about the company future (the company is nvidia).  please explain…

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Q: Statistical Analysis - Data Management  Per each graph, answer the following: Any relevant…

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Q: Harvey is courting his classmate Thea. Unknown to him, Thea secretly uses a series of tests to…

A: Given: n = 6 α = 0.05

Q: A random sample of n = 12 E-glass fiber test specimens of a certain type yielded a sample mean…

A: Given: n = 12 x¯ = 20.2 s = 1.5

Q: What is the relationship between the amount of time statistics students study per week and their…

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Q: A biologist looked at the relationship between number of seeds a plant produces and the percent of…

A: a. The correlation coefficient between the variables is obtained as -0.88 using the EXCEL formula,…

Q: A random sample of birth weights of 174 babies has a mean of 3101 g and a standard deviation of 685…

A: Given : n=174 Mean=3101 Standard deviation =685 Confidence level =95%

Q: When n≥30 and the population standard deviation is unknown, what is the appropriate distribution? P…

A: Disclaimer: Since you have asked multiple question, we will solve the one question for you. If you…

Q: The foundation of a building is designed to be supported by 100 piles with a capacity of 80 tons…

A: Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you…

Q: Find a 99% confidence interval for the population mean for the data set (120, 80, 83, 115, 95, 90,…

A: Solution-:

Q: In a specific year, SAT scores were Normally distributed with mean 1026 and standard deviation 209;…

A: i) SAT scores were Normally distributed with mean 1026 and standard deviation 209; μ=1026σ=209  ii)…

Q: 2. Based on the Excel output below, find the SSA, degrees of freedom of the error and treatment, and…

A: The question is about ANOVA Given :

Q: Now assume it is true that 60.98% of all words in the English language contain the letter "e" (as…

A: h) Given that 1000 samples. Proportion is 60.98%=0.6098 2SD values,…

Q: For the following sample of n=6 scores, calculate SS: [6, 4, 5, 25, 7, 7]

A: Given 6,4,5,25,7,7 n=6

Q: When conducting an ANOVA on sbp and genhelth, the p-value is 0.02. Therefore we conclude reject the…

A: Given that

Q: Write the Ho and Ha of the given statement below. 1. Is there a significant difference between the…

A: Note: Thank you for the question. Since multiple subparts are posted, we are answering the first…

Q: Statistical Analysis - Data Management  Per each graph, answer the following: Any relevant…

A: Side-by-side bar charts are excellent way to visually compare different related categories of a…

Q: 4. The Impact of the Level of Native Language Proficiency on the Literacy Achievement of English…

A: Here literacy achievement of English language leisures(2012) depends on the level of Native language…

Q: posed of the risk-free rate and stocks A, respect to the three stocks:

A: The portfolio consists of a variety of stocks or a basket of stocks which reduces the overall risk…

Q: 8.44 Birth order and IQ. An international team of economists investigated the possible link between…

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Q: 2. Suppose the PDF of X is given by fx(x) = 5e-5x(o)(x). Find its CDF.

A: Solution

Q: Fifty patients with high lipoprotein and thirty patients with low lipoprotein were observed. None of…

A: Introduction: It is required to calculate the relative risk of developing ischemic stroke in eight…

Q: A. Create a Frequency Distribution Tale (FDT) with interval of 5 (. B. Solve for lower quarter,…

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Q: RST M0.09 0.25 0.19 N 0.31 0.16 0.00 4.P (RUS) 5.P(RC) 6. P(M)=

A: Given P(R)=0.40 P(S)=0.41 P(T)=0.19

Q: A sample space (s) in figure below shown that consists of ten outcomes. Event (1) consists of two…

A: Given a venn diagram of two events 1 and 2 .  Using the venn diagram we have to find the indicated…

Q: 1. A continuous random variable X has the following pdf: fx(x) = ) = {¹ - 1² -|x|, |x|<1 elsewhere 0…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: b) The Mean Deviation (M.D) for the following homogeneous data (16, 15, 17, :12, 18, 10, 9, 35) is…

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Q: In a biology class, a group of student brought 9 mic for their experiment. They measured the weight…

A: Solution To find the weight we will use regression analysis.

Q: QUESTION 15 A stock analyst wants to determine whether there is a difference in the mean rate of…

A: A stock analyst wants to determine whether there is a difference in the mean role of return for…