The sales manager of a large apartment rental complex feels the demand for apartments may be related to the number of newspaper ads placed during the previous month. She has collected the data shown in the accompanying table. Ads purchased, (X) Apartments leased, (Y) 15 6 10 5 35 16   Find the least squares regression equation                           Estimate sale if the number of advertisements purchased is 30.

Q: life

A: Total Life of 40 Batteries:Given:Collection of 40 batteries: Each battery is equally likely to be…

Q: Solve this question by formulas only no excel or any software. please and thank you

A:

Q: A statistics teacher claims that, on the average, 15% of her students get a grade of A, 25% get a B,…

A: The claim is 15% of her students get a grade of A, 25% get a B, 10% get C, 15% get a D and 35% get…

Q: The average movie admission price for a recent year was $7.18. The population variance was 3.81. A…

A: Assume that  is the population variance of movie admission price for the recent year.

Q: You are asked to give advice on how many householders should be polled in order to gauge the support…

A: Given,Margin of error, E = 5% = 0.05Confidence level, C = 99% = 0.99

Q: Company XYZ know that replacement times for the quartz time pieces it produces are normally…

A: The objective of this question is to find the time length of the warranty that the company should…

Q: 2. The solution design team have determined that the key factors of the system are input factors A,…

A: The key factors of the system are input factors A, B, and C.Input factor A can be between  lbs.Input…

Q: 3. A sample of 30 houses (data set: House) that were sold in the last year was taken. The value of…

A: Here dependent variable (y) is the value of the house.There are four independent variables.x1 = The…

Q: This was the same answer I got but it is incorrect.

A: To find the margin of error (MOE) for a proportion, we can use the…

Q: Choose the most appropriate completion of the sentence.In order to indicate a strong correlation…

A: The objective of the question is to identify the value of the correlation coefficient that indicates…

Q: Match each scatterplot shown below with the best desciption of its correlation. O .: o O 1000 . o 0…

A: There are  scatterplots provided.Each of the scatterplots must be matched with the best description…

Q: A manager wishes to determine the relationship between the number of miles (in hundreds of miles)…

A: Given the following table xy2313331078762865156134815511120

Q: Measles and Mumps A researcher wishes to see if there is a relationship between the number of…

A: The correlation coefficient, r, measures the strength of the linear relationship between two…

Q: 14a. Find the probability 14b. Find the probability of rolling a 3 with a pair of dice. of rolling a…

A: The provided information is as follows:A pair of fair dice is rolled.The objective is to find the…

Q: For a nonnegative continuous random variable X, 5. P(Xu)du = E(X). Note that, X being nonnegative,…

A: When the probability function is define on the continuous variable is called as the continuous…

Q: Which of the following represents the strongest correlation? O.10 00 O.55 O-.24

A: The objective of the question is to identify the strongest correlation among the given values. In…

Q: Consider the following events: A: X₁, X2,..., Xn are independent and come from a Rayleigh…

A: Given the following events: 0 end text " role="math" width="486" height="125" style="max-width:…

Q: manufacturer knows that their items have a normally distributed length, with a mean of 12.3 inches,…

A: The objective of this question is to find the probability that the mean length of 11 randomly chosen…

Q: A true experiment requires that individuals be placed in conditions using assignment. random matched…

A:

Q: Source Factor Block Error Total DF SS ? 3 ? 15 193.800 464.218 ? MS 64.600 154.739 4.464 F ? P ?…

A: ANOVA table Source DFSSMSFPFactor ?193.80064.600??Block 3464.218154.739Error ??4.464Total15698.190.

Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

A: The objective of this question is to determine the p-value for the given sample and then use this…

Q: In the GARCH model = .00004+.05-1+.920-1, today's volatility is 30%. Will the forecast of volatility…

A: The GARCH model is Today's volatilityWhether the volatility forecast will rise or fall and the…

Q: Group 1 (n=16) averaged 27.31 jumps (SD=10.18) in a physical exam and Group 2 (n=11) averaged 11.91…

A: Sample data is shown below:Group 1:Group 2:

Q: n a randomly selected sample of women ages 20-34, the mean total cholesterol level is 188 milligrams…

A:

Q: A potential solution to this is the following: when asking whether they support or do not support a…

A: So we set the margin of error equal to ϵ:

Q: Luca is investigating how long his phone's battery lasts (in hours) for various brightness levels…

A: The given data is displayed in the below table: Brightness Level (x)Hours…

Q: Following table shows midterm exam marks of two Eco 101 sections. Section 21.5 21 14 22 22.5 23.5 10…

A: Let x1 denote the sample data for Section A arranged in the increasing order.Let x2 denote the…

Q: For a nonnegative continuous random variable X, [P P(Xu)du = E(X). Note that, X being nonnegative,…

A: When the random variable is continuous then it is called a continuous random variable and if it is…

Q: If a researcher reported for a single-sample t-test that t(17) = 2.90, p< 0.02, how many subjects…

A: The objective of the question is to determine the number of subjects in a study based on the t-value…

Q: Banking fees have received much attention during the recent economic recession as banks look for…

A: Sample size Sample mean Population standard deviation is

Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD…

A: A normal distribution graph for television prices (in $) is provided as follows:The mean price is…

Q: In 1992, the U.S. Public Health Service and the Centres for Disease Control and Prevention…

A: The data values are shown below:RaceYesNoTotalWhite260299559Black154156Other71421Total282354636

Q: A pharmaceutical company sells a tablet for treating colds. After extensive experimentation,…

A: It is required to test the claim that the mean recovery time of all patients using the old tablet is…

Q: The length of time a particular smartphone's battery lasts follows an exponential distribution with…

A: The length of time a particular smartphone's battery lasts follows an exponential distribution with…

Q: Please complete the following summary table for the following scenario. Please be sure to round your…

A: The effect of reading on reasoning abilities is wanted to be tested by the educational…

Q: Suppose two negatively associated variables have a coefficient of determination of 63%. Find the…

A: Given,.Also, the variables are negatively associated.To find the value of correlation.

Q: A scatterplot maps out cases as dots on a bivariate graph. true false

A: Given question is,A scatterplot maps out cases as dots on a bivariate graph.true false

Q: a. Find the least square estimates of the unknown parameters a and 3. Provide a 95% confidence…

A: When the two variables are associated with each other the one variable is used to estimate the value…

Q: Mohammed is planning to renovate his house garden, he is wondering how long it may take him to…

A: The house garden is planned to be renovated by Mohammed.The projected times said as per the friends…

Q: A company that produces cell phones claims its standard phone battery lasts longer on average than…

A: Given data : Time : { 34,34,35,31,30,34,30,35,33,55,30,32 } To make histogram first write down the…

Q: b. What does the scatter diagram developed in part (a) indicate about the relationship between the…

A: Hotel room Rate (X) : { 146,100,90,113,92,103,132,87,82 } Mx = ( 146+...82)/9 = 105Entertainment (Y)…

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

A: The objective of this question is to calculate the 95% confidence interval for the number of…

Q: In response to concerns about nutritional contents of fast foods, McDonald's has announced that it…

A: Given,The company claims that 97 out of 100 people cannot detect a difference in taste between the…

Q: 89.35 86.51 89.04 91.82 93.02 88.32 88.76 89.26 90.36 87.16 91.74 86.12 92.10 83.33 87.61 88.20…

A: The simulated data of the bacteria count (that is specified to have been recorded in terms of…

Q: A farmer wants to predict the average number of apples produced bythe trees in his orchard. He…

A: The objective of this question is to find the 98% confidence interval for the average number of…

Q: What are the different data sources? Public source Designed experiment All of the above Survey and…

A: The objective of the question is to identify the different sources from which data can be collected…

Q: Out of 300 people sampled, 258 had kids. Based on this, construct a 99% confidence interval for the…

A:

Q: With the availability of online gaming and the social relationships that can thereby develop,…

A: Online gaming and social relationships' availability can develop LGBT players using gameplay to…

Q: What do the terms reliability and validity mean in terms of research? How will you reduce error in…

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

Q: At Bats and Hits The data below show the number of three-base hits (triples) and the number of home…

A: The data set is,Triples212733343730Home runs319298293301294284