Question Rebecca collected data from a random sample of 500 homeowners in her state asking whether or not they use electric heat. Based on the results, she reports that51%of the homeowners in the nation use electric heat. Why is this statistic misleading? Select the correct answer below: The sample size is insufficient. The statistic contains a calculation error. The sample is biased. The data contains an outlier

Q: Q12. If 150 households were surveyed out of which 120 households have internet fiber cable, then…

A: Given Data: x=150-120=30 n=150

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: It is given that margin of error (E) is 0.045 and the confidence level is 0.99.

Q: If you want a poll to have a margin of error of 2.84%, how large will your sample have to be?

A:

Q: The median has a sampling distribution. Explain why or why not?

A:

Q: An online news source reports that the proportion of smart phone owners who use a certain operating…

A: Here we need to find the mean of the sampling distribution. Here it is given that the sample size is…

Q: It is known that 40% of all customers at a service station pay with a credit card. If a random…

A: Given  p=0.40, x=75, n=200

Q: Refer to Exhibit 9-61. The test statistic is O O O-1.6 O 1.6 -2.80 1.25

A: It is given that  Population proportion, p = 50% = 0.50 Sample proportion, p^ = 40% = 0.40 Sample…

Q: Find the sample mean. Sample: 6, 8, 12, 19, 25 O A. x 14 O B. x- 15 OC. p 14 O D. p=13

A: Given that,In a data set,6, 8, 12, 19, 25Total number of observations = 5

Q: 5. The Silverthorn Athletic Center wants to know if customers are satisfied with its facilities. It…

A: Self selection bias occurs when individuals select themselves for the survey. Non response bias…

Q: Which of these would not make you question the results of a study? A. The source of the study…

A:

Q: h sampling error

A: From the Given information above we have to calculate sampling error for 14 samples. Sampling error:…

Q: create a histogram and a boxplot. Are there any outliers? Is the data skewed? How? slove within 30…

A: Sample Sample(x1) 1 2.54 2 1.61 3 1.85 4 2.38 5 1.78 6 2.11 7 4.84 8 1.19 9 1.77…

Q: A random sample of 1648 Texas government employees were selected for a study on race.  The table…

A: Total frequency = total no. of Texas government employees were selected for a study on race=1648 We…

Q: A community is considering raising funds to pay for improvements to the community swimming pool. To…

A: Convenience sampling: A convenience sample is a type of non-probability sampling method where the…

Q: Cans of food, stacked in a warehouse, are sampledto determine the proportion of damaged cans.…

A: From the given information, the cans of food is stacked in a warehouse are sampled to determine the…

Q: 2. Administrators at a hospital are concerned about the possibility of drug abuse by people who work…

A: Given Information: Consider the given study in which the hospital's administrators are concerned…

Q: 8% of men in the United States are colorblind. If we construct a sampling distribution based on…

A: Central limit theorem: As the sample size large, the sampling distribution of sample means is normal…

Q: eight (cm) of President eight (cm) of Main Opponent 183 175 177 183 181 182 188 172 177 186 190 173…

A: sample size,n=  6 Mean (d̄)  =Σd/n                = 5/6            = 0.83 standard deviation,Sd…

Q: If we collect a large sample of blood platelet counts and if our sample includes a single outlier,…

A:

Q: Describe a scenario explaining how to find the mean of a sampling distribution and how to calculate…

A: Solution-: Describe a scenario explaining how to find the mean of a sampling distribution and how to…

Q: Find the estimated standard error for the sample mean for n = 16 and SS = 3922. Nearest hundredths…

A: We find the standard error using the formula

Q: The median home price in Mahwah, NJ is $609,383.  The mean home price in Mahwah, NJ is $1,074,450.…

A: Here from the given information we want to know the shape of the distribution.

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: The confidence level is 90%, the sample percentage is within 4.5 percentage points of the true…

Q: You are the operations manager for an airine and you are considering a higher fare level for…

A: It is given that margin of error (E) is 0.015 and the confidence level is 0.90.

Q: 4. Suppose that 15% of all students at your school ride a bicycle to class each day. Suppose further…

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

Q: Suppose 378 of 600 voters support a Presidential candidate. What is the variance of the sampling…

A:

Q: dy Question: 2. In order to determine the average weight of carry-on luggage by passengers in…

A:

Q: The sample size is 5, the intercept is negative and the slope is positive.    a. True   b. False

A: Given: n=5 intercept = -ve slope = +ve

Q: The Google Play app store for smartphones offers hundreds of games to download for free or for a…

A: Standard error is calculated by dividing the standard deviation and the sample size. It is denoted…

Q: Exnibit 7-0 A random sample of 100 people was taken. Eighty of the people in the sample favored…

A: Given data number of success , x= 80.0 sample size, n = 100 population…

Q: The National Education Association collects data on the number of years of teaching experience of…

A: Introduction: It is required to identify the outliers, if any.

Q: reux on agor u I SK SK AB AB AB ВС NB MB MB NS 13.45 13.5 14.25 13.8 14.4 13.4 13.8 13.35 13.15 13.3

A: Floor (female)  Floor (male) 15 13.55 14.85 13.75 15.2 13.5 14.25 14.25 13.85 13.35…

Q: A researcher selects neat women for a research study. What sampling method was the researcher using?…

A: We have given that the statement about sampling method.

Q: You are told that the proportion of those who answered "no" to a political survey is 0.60, and that…

A: Given Information: Proportion of those who answered "no" to a political survey is 0.60 i.e., p=0.60…

Q: (b) Use the table from part (a) to find u- (the mean of the sampling distribution of the sample…

A:

Q: Researchers at a drug company are testing the duration of a new pain reliever. The drug is normally…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…