QUESTION ONE A. The following table lists the number of days that 15 houses in a particular area were on the market waiting to be sold. Sorted days on the market per house 36 37 40 46 64 75 94 115 9 53 10 59 21 61 Determine whether the data set contains any outliers using the z-score formula 50

Q: Solve the following problems following the steps in hypothesis testing. 1) An experimental study was…

A: Given information: Sample size (n)=20Level of significance (α)=0.05 The data is given below…

Q: (a) The figure to the right represents the normal curve with us 266 days and 16 days. The area to…

A: Z is known as Standard normal variable Z=( X - mean) / standard deviation

Q: For a standard normal distribution, find: P(Z > c) = 0.9894 Find c rounded to two decimal places.

A: given data standard normal distribution:Z~N(0,1)P(Z>C) = 0.9894we have to find value of C=?

Q: The area of the shaded region is ext Part 0 0.35 X 0.76 Ś

A: Solution

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A: From the provided information,   Scores (Xi) Weights (Wi) Promptness 7 2 Record keeping 6 4…

Q: For a normal shaped population of IQ scores with u = 100 and o= 15 find the z scores called for in…

A: Answer: As per the given data, For a normal shaped population of IQ scores Mean = μ = 100 Standard…

Q: 2. Two samples are randomly selected from two groups of students who have been taught using…

A: Given Information: Group A: Sample mean x¯1=84 Sample variance s12=64 Sample size n1=36 Group B:…

Q: A store has 25 computers in its inventory.  4 of the 25 computers are defective.  A school purchases…

A: Given that  Total computer = 25  Defective computer = 4 Non defective = 21 Note: nCr = n! / {r!*(n -…

Q: 4.2.9. Let X₁, X2,..., X9 be a random sample of size 9 from a distribution that is N(μ, 0²). (a) Ifo…

A: Given: Let X1, X2,.....X9 be a random sample of size 9 from a distribution that is Normal with mean…

Q: (b) Construct a relative frequency distribution of the data. Potholes Relative Frequency 1 2 3 4 5 6…

A: Given :

Q: Books: Josephine has five chemistry books, three history books, and four statistics books. She wants…

A: Solution-: Given: Number of Chemistry books =5           Number of History books =3          Number…

Q: The standard deviation of a distribution is hypothesized to be 50. If an observed sample of 16…

A:

Q: This is very helpful, thank you! Could you please share the excel fomulas used to acheve this?

A: The given data is entered in excel as shown below

Q: Answer the following problems with solutions using the six steps of hypothesis testing. 1) Below is…

A: Followings are the Explanation of the question   Use the Two sample Intendent t test    Use The…

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A: A sample is a subset of a population, whereas a population is a full set that represents every…

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A: Let y = a+bx be the regression equation Y is the dependent variable and x is the independent…

Q: GMAT = 172.4 + 78.9 GPA + 0.230 SATM + 0.110 SATV   Where  GMAT = student’s score on the GMAT, GPA…

A: Here given that there is a equation to calculate the GMAT score.  GMAT = 172.4 + 78.9 GPA + 0.230…

Q: Here is a timeplot of each monthly load factor for domestic flights for 2002 to 2017 along with a…

A:

Q: Where are the clusters in this distribution? 1400 1200 1000 800 600 400 200 ENS***&&&&&& O A. 7, 12,…

A: Introduction: It is required to identify the values in which clusters are observed in the…

Q: If a 45​- to 48​-year-old mother who had a live birth in 2015 is randomly​ selected, how many live…

A: Given that: The graph of discrete probability provided represents the number of live births by a…

Q: estimate of the variance of the population was found to be 15.0 From another sample of 14…

A: Given that  n1 = 25 , S12 = 15 , n2 = 14 , S22 = 9.7

Q: re two methods of teaching. A lesson assess d of teaching. The results are shown below! Method A…

A: Question 2 :  Given, For Method A : sample size (n1) = 25 sample mean (x̄1) = 90 sample standard…

Q: For a recent English exam, use the Normal model N(73, 9.2) to find the proportion of scores under…

A: From the provided information. Mean (x) = 73 And standard deviation (s) = 9.2 Let Y be a random…

Q: Ariana holds data sets for total revenue in each year for four years. She has also analysed total…

A:

Q: nalysis with similar data, what is standing in your way in producing the same results?

A: Data: Raw collected information from various sources is called data and is used for data analysis…

Q: Determine the original set of data. 1015 21 447 8 3 355 5 7 9 401

A: Given data in  stem and leaf diagram is,1 | 0 1 52 | 1 4 4 7 83 | 3 5 5 5 7 94 | 0 1

Q: In a small private college, 80 students play baseball, 70 students play football, 50 students play…

A: Given that We have to the probability that he/she

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A: data of a teacher gave a quiz to his economics classstudent score .....73,82,64,61,63,52,73,70here…

Q: 3. Suppose that Y₁, Y₂... Ym and X₁, X2, Xm are independent normally distributed random samples from…

A:

Q: what is the probability that exactly 3 small businesses will fail during a given month (

A: Let X denote the number of small businesses failures in a month. It is given that Mean number of…

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A: Hypothesis are the statement of populations. Hypothesis are two types, they are null and alternate…

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A:

Q: Ozone levels (in parts per billion, ppb) were recorded at sites in New Jersey monthly between 1926…

A: Note: According to Bartleby guidelines, we can solve maximum of three subparts in a question and…

Q: Since y; € {0, 1} (Bernoulli random variable), the joint density (pmf) of observing iid sample y =…

A: Given yi∈0,1 ( Bernoulli random variable and the joint density of iid sample y=y1, . . . , yn is…

Q: Suppose that Y₁, Y₂, ..., Ym is a random sample of size m from Gamma(a = 3, ß = 0), where 0 is not…

A:

Q: The following is the average daily temperature for Portland, Oregon for the month of July: 81 70 71…

A: Introduction: It is required to fill the given frequency distribution table.

Q: 3. The total claim amount for a health insurance policy follows a distribution with density function…

A:

Q: Consider the Keynesian consumption function Yt = B₁ + B₂x2t + ε where yt is per capita consumption,…

A: Given that We have to proof that :

Q: X1 and X2 are indep N(0,1) random variables. Y1=(X1+X2)/2 and Y2={(X1-X2)^2}/2. let 1. find the mgf…

A: Given: X1 and X2 are independent N(0,1) random variable: Y1=X1+X22Y2=X1-X222

Q: 2. A local college wanted to know if there is any relationship between grades as a high school…

A: Correlation coefficient is given by, r= (n(Σxy) -Σx*Σy)/√(nΣx2 -(Σx)2)(nΣy2-(Σy)2) Let X represents…

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A: Boxplots are used for graphical representation of five point summary of data that includes maximum,…

Q: In the game of​ roulette, a player can place a ​$4 bet on the number 14 and have a 1/38 probability…

A: Suppose x is the net amount from the game to the player.

Q: A random sample of 37 adults had a sample mean height of 168 cms with a sample standard deviation of…

A: Here, x¯=168, s=10, and n=37.

Q: a. n = 210 Minimum Number of Classes: Class Width: 8 Round to the nearest whole number = = 34 -…

A: a)Givenn=210Minimum=4Maximum=344

Q: 1. Indicate whether each the following statements is true or false. Correct the false statement. a.…

A: Given that  A point estimate is a range of values used to estimate a population parameter

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A: The boxplot is given.

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A: Given Mean=M=80, standard deviations σ=10  Let X be the speed of car follow normal distribution…

Q: Suppose a life insurance company sells a ​$230,000 ​one-year term life insurance policy to a…

A: Suppose x is the net income of the life insurance policy over the year.

Q: Based on the below data what will be the value of multiple R?

A: To find Multiple R first we have to find R square