Find the sample variance and-standard deviation for the following sample. Round the answers to two decimal places as needed. 17 33 23 16 13 Send data to Excel The sample variance is The sample standard deviation is

Q: Attempt the following: (i) P(A) = 0.75, P(B) = 0.50 and P(A U B) = 0.87, are the events A and B inde...

A: (i) P(A)=0.75,  P(B)=0.50 and P(A∪B)=0.87

Q: This table referes to the rainfall received at Free State, South Africa at their 8 stations in the p...

A: Provided the data from the different 8 stations of the rainfall and area to get average rainfall

Q: Consider the Box whisker plot diagram for a set of data; хх 8 10 13 14 15 19 20 22 Q1 Q2 Q3

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Q: Write the sample space for the number of boys and the number of girls in a family with exactly three...

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A: Claim : The mean amount of water in all the bottles filled that day differs from the target value of...

Q: Attempt the following: (i) P(A) = 0.75, P(B) = 0.50 and P(A U B) = 0.87, are the events A and B inde...

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

Q: 3. Construct all random samples consisting two observations from the given data. You are asked to gu...

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Q: I. Occurrence of heads and tails in tossing coins. One Coin Two Coins Toss Number Нead Tail Two Tail...

A: When we toss a coin, there are two possible outcomes, either there would be a 'head' (H) or a 'tail'...

Q: 5. What is the standard deviation of the given discrete random variable? a. 3.28 b. 1.36 c. 3.57 d. ...

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Q: Use the given data to find the equation of the regression line. Round the final values to three sign...

A: We have given that,  The data set is,  x 24 26 28 30 32 y 15 13 20 16 24 Then,  We will find thr reg...

Q: Assume that the distribution of X is N(H, 10.89). Find the sample size so that we are 90% confident ...

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Q: 3. You and a friend are tossing two fair coins. If both coins show heads, you win $2, if both show t...

A: Here X is a winning after single play of game. X takes values $2, $1 and -$1 P(X=$2) = P(HH) = 1/4 =...

Q: Jim is a 60-year-old Anglo male in reasonably good health. He wants to take out a $50,000 term (that...

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Q: A tourist agency in Kansas claims the mean daily cost of meals and lodging for a family of four trav...

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Q: Approximate the mean for the following data set. Round your answer to one decimal place. Class Frequ...

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Q: SSR= 40 SSE=32 CALCULATE SST AND R2

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Q: If two RVs are independent, then the density function of their sum is given by the convolution of th...

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Q: Lesson 8 Q9 A study involved a paired design with a total of 22 observations, with the results assu...

A: Given: A study involved a paired design with a total of 22 observations, with the results assuming a...

Q: The amount of weight on an ACME tractor trailer is known to have a normal distribution with mean 9.5...

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Q: 1. What does F-test for significance tell us?  2. What does t-test for significance tell us?  3. C...

A: Given information: What does F-test for significance tell us?  2. What does t-test for significance ...

Q: Question 4 Compute for the area between z = ±1.43.

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Q: If eff(u1, u2) = , which estimator is preferred when the fraction is greater than 1? What is the val...

A: given:  Relative efficiency of u1 with respect to u2  If eff(u1,u2)>1 then which estimator will b...

Q: Price of eggs and milk: The following table presents the average price in dollars for a dozen eggs a...

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Q: CABANATUAN CHTY CULATE CON I. On the space provided, determine the margin of error and the confidenc...

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Q: 1800 candidates appeared for an examination, 450 were successful, 340 had attended a coaching class ...

A: Given that  Number of candidates (N)=1800 450 were successful  340 attended Coaching classes Out of ...

Q: The figures given below are (a) the theoretical trequencies of a distribution, and (b) the frequenci...

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Q: The mean life of a sample of 10 electric light bulbs was found to be 1.456 hours with standard devia...

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Q: What is the probability of an equally likely event? A.zero B.25% C.50% D.100%

A: Here we have to explain the equally likely event 

Q: Month Actual Sales Naive Forecast - Absolute Value of (# of Product X) Sales Errors (# of Product X)...

A: Given Information: Consider the table that shows the Actual sales of product X from the month of Jan...

Q: A Social Security number consists of nine digits in a particular order, and repetition of digits is ...

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Q: Continuous Random Variables take on all possible values in an interval of numbers. The probability d...

A: A continuous random variable is a variable whose value can be obtained by measuring. A continuous ra...

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may var...

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Q: A dinical trial was conducted to test the effectiveness of a drug for treating insomnia in older sub...

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Q: a) Find the median speed. b) Find the interquartile range in the speeds.

A: Question 2  a.  We have to find the median on the given cumulative frequency diagram. Therefore, Dra...

Q: The numbers racket is a well‑entrenched illegal gambling operation in most large cities. One version...

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean ...

Q: You are asked to calculate the 94% Cl for the mean value of a normally distributed population with k...

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Q: Calculate the coefficient of concurrent deviation from the following: X : 60 55 50 56 30 70 40 35 80...

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Q: a 24-hour call center, complaints arrive at a mean rate of 1 complaint every 3 hours. (a) Find the ...

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Q: Which of the following is not a discrete random variable? The number of heads when we toss two coins...

A: Option C is the answer. If we take option A , the number of heads when we toss a coin is discrete in...

Q: The government of Canada is interested in assessing the impact of the recent decline in the Canadian...

A: The appropriate sampling technique is to be chosen for deriving a conclusion regarding the impact of...

Q: 1. Compute the probability area to the left of z = -1.25

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Q: Find the critical values XR and X²¸ for an 80% confidence when the sample size is 22. X2R = 33.924 X...

A: Critical value of any distribution is a value (or) point on the test distribution at certain confide...

Q: State the Five Number Summary for the following dataset. 44   45   46   47   49   51   54   55   58...

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Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may var...

A: Given,margin of error(E)=0.03α=1-0.80=0.2α2=0.1Z0.1=1.2816      (from Z-table)

Q: For a parallel structure of identical components, the system can succeed if at least one of the comp...

A: a) The probability of failure of each component is 0.09.

Q: (a) If you have no preliminary estimate for p, how many medical files should you include in a random...

A: For the given probleme, we need ro find the minimum number of sample size in order to be 85% sure th...

Q: Analyzing a Given Study Space Tourism? According to a survey conducted by the Pew Research Center, m...

A: The given data is based on Pew Research Center conducted the survey of more US Adults that if they w...

Q: NBC News/Marist sampled 603 likely voters on 10-31-14. They found that 44% said they would vote for ...

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Q: Is it possible to interpret the y-intercept? Explain. (Choose one) ▼ the x-values are all (Choose on...

A: The objective is to find if is possible to intercept the y-intercept.