write a paragraph that discusses: Why is this graphic might be needed for that specific topic Why the graphic is misleading or is a good representation of the data How the graphic could be improved

Q: create a scenario that includes an independent and dependent variable as well as a confound…

A: We have to tell about Independent variable, dependent variable and confound variable.

Q: Barron's has collected data on the top 1,000 financial advisers. Company A and Company B have many…

A: Given information: s1=$583 millions2=$488 millionn1=16n2=10α=0.10

Q: The carbon dioxide emissions of EU nations had a mean of 7.9 and standard deviation of 3.6. a.…

A: Given Population mean μ=7.9, standard deviations σ=3.6  (b) X=3.9  (C) X=6.7

Q: A baseball prospect has hit in 25 out of his first 77 at-bats. Compute a 88% confidence interval for…

A: We have given that x = 25 n = 77 The sample proportion isp̂ = x/n = 25/77 =  0.3247 Confidence level…

Q: gg. Assume that those outcomes are equally likely. Construct describes the sampling the sample…

A: The question is about sampling distribution Given : Sample space when two births are selected…

Q: How can we compare small sample statistical properties of two unbiased estimators of 00?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: f an asset declines in value from 5,000 USD to 3,500 USD  over nine years, what is the mean annual…

A: Given: Future value (F)=3500Present value (P)=5000number of years (n)=9i = the interest rate

Q: Suppose you have a sample of 400 people. You asked each of the 400 people whether they like or…

A: Given that Sample size = n = 400 Favorable Cases = X = 320

Q: In sampling, why is obtaining a representative sample important? A. Because representative samples…

A: Sample Drawn from population  Which option is the correct choice for sampling.

Q: Question 1 What is the median of variable​ x?   The median of variable x is   ​(Round to the nearest…

A: X lies between ( 45 to 55) Y lies between (10, 50)

Q: The Los Angeles Times regularly reports the air quality index for various areas of Southern…

A: For the given data Find all the required Range =? IQR =? Sample variance =? Sample standard…

Q: It has been suggested that sales for the company may be connected to disposable income. Using the…

A: Introduction: It is required to predict the sales for 2020, using the disposable income for that…

Q: The records of a computer retail store show that out of the 25 customers who purchased a desktop…

A: Solution: Here we want to determine which computers were more likely to purchase the service plan.

Q: The median of 2, 9, 3, 5, 4, 7, 10, 2, 3, 12 is = 5.5 4.5 04 3.5

A: Given data(x) is;2,9,3,5,4,7,10,2,3,12data in ascending order;2,2,3,3,4,5,7,9,10,12number of…

Q: Might we be able to predict life expectancies from birthrates? Below are bivariate data giving…

A: From the given scatter plot and equation Find the required

Q: A gumball machine contains 500  gumballs. 175 of the gumballs are red,  150 are yellow, 75 are…

A:

Q: 5.5. Suppose that X has mean m and variance ² (a) Prove Cantelli's inequality PIX-mzals avo.

A: We need to prove Cantelli's inequality: P[ X - m > a ] < σ2σ2+a2   ,    a>0

Q: The asset turnover ratio (ATR) is the ratio of a company's revenues to the value of its assets…

A: The formula of CV is,

Q: Suppose that we will randomly select a sample of n= 116 elements from a population and that we will…

A:

Q: For customers purchasing a refrigerator at a certain appliance store, let A be the event that the…

A: Given ,  P(A) = 0.76 P(B|A) = 0.85 P(B|A') = 0.75 P(C|A∩B) = 0.84 P(C|A∩B') = 0.61 P(C|A'∩B) = 0.69…

Q: Below are batting averages of the New York Yankees players who were at bat five times or more in…

A:

Q: Indicate (without computation) which sample in each set has the higher standard deviation. Sample…

A: Two sample of values are given.

Q: An engineer has designed a valve that will regulate water pressure on an automobile engine. The…

A:

Q: QUESTION 1 In the following problem determine the population and the sample In a sample of 10 bags…

A: Solution: To determine the population and the sample from the given data.

Q: A psychologist is studying the self image of smokers, which she measures by the self-image (SI)…

A: Suppose μ is the mean SI score for the population of all smokers.

Q: 9:34. An assess depreciated the machinery of his factory by 10% each in the first two years and by…

A:

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: Given that  P(0.76≤Z≤c) = 0.1956 Z1= 0.76 Z2 = ?   We know that  Half area under the curve = 0.5…

Q: We want to conduct a hypothesis test of the claim that the population mean number of holding…

A:

Q: Set 2: 3, 5, 7, 9, 100 Set 1: 3, 5, 7, 9, 11 a. Find the median for each data set. b. Find the mean…

A:

Q: A group of 12 randomly selected students were asked how many traffic tickets they have received…

A: Given that  The data are : 1 , 0 , 2 , 1 , 4 , 1 , 0 , 0 , 0 , 0 , 2 , 0

Q: A news program reports that 41% of the population are in favor of a certain issue, 47% are against…

A: Given 41% in favour 47% are against Rest are undecided Undecided = 100 - (47+41)=12% One person…

Q: Refer to the following distribution of commissions: Monthly Commissions Class Frequencies $600 up to…

A:

Q: c. About what percentage of alligators had fish as the primary food choice? 40% 35% 45% 42% d. This…

A: From given data we have :In 2012 in the United States, most electricity was generated from coal…

Q: A computer ANOVA output is shown below.  Fill in the blanks.  You may give bounds on the P-value.…

A: Given that  We have to find the missing values :

Q: The shaded region under a Normal distribution with mean 0 and standard deviation 1 (Standard Normal…

A: We have to find the probability that is represented by given shaded region.

Q: Question 15 Now you areweryed P Play question Select one: O a. z=0 O b. Az = Px O c. az = ax O d.…

A:

Q: Q3:Calculate the Pearson correlation coefficient between the student s weight and height Wight of…

A:

Q: A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that…

A: The given margin of error is 5, population standard deviation is 20 and confidence level is 90%.

Q: Find A n B. (Use the roster method to write the set. Enter EMPTY or for the empty set.) A = {-3, -2,…

A: Solution-: Given: A={-3,-2,-1,0} and B={1,2,3,4} We want to find A∩B=?

Q: The accompanying data represent the pulse rates​ (beats per​ minute) of nine students. Treat the…

A: We have given that, The data set is,  Students (xi)  pulse or frequency (fi)  1 77 2 60 3…

Q: In a state lottery, four digits are drawn at random one at a time with replacement from 0 to 9.…

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Q: Seventy fishermen competed in a fishing derby at Lake Katchalot over the weekend. The graph below of…

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Q: A random sample of 200adults was given an IQ test. It was found that 92 of them scored higher than…

A:

Q: nequation form, Fare = 2.85 ssman collects all his taxicab rec ries. The mean fare he paid was

A: We know that Properties of expected value  E(X+c) = E(X) + c        (for a constant c) E(aX) = aE(X)…

Q: What is the slope of the least-squares regression line for these data? Carry your intermediate…

A:

Q: A manufacturer must test that his bolts are 4.00 cm long when they come off the assembly line. He…

A: Given data: Population mean, μ=4 Sample size, n=121 Sample mean, x¯=4.21 Significance level, α=0.02…

Q: Determine the probability that a non defective bolt will be found if out of 750.bolts already…

A:

Q: The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 107…

A:

Q: You toss a coin three times. If you toss heads exactly two times, you win $2. If you toss heads all…

A:

Q: If the data points do not lie in a straight line, there is no relationship between the variables…

A: Given:  Let x , y be the two data points If the data points do not lie in a straight line, there is…