Answer the next 2 questions using the following information. The US Department of Energy reported that 51.7% of homes were heated by natural gas. A random sample of 221 homes in Kentucky found that 115 were heated by natural gas.  Calculate the p-value.

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A: For country C n=1024,p hat =0.45 For country D n =1078 ,p hat = 0.41

Q: In a large data set, the 49th percentile is 523 and the 71st percentile is 675.  About what…

A:

Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $643.…

A: W heaven to find asked percentage from given data.

Q: For a population with  σ = 8,  X=13 and a z-score = 2.21, find the value of µ

A:

Q: In the past a number of car makers produced a wide range of classic cars that continue to increase…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, as per…

Q: he number of stores that must be sampled is

A: Given : Margin of error=E=0.05 Significance level=α=0.10 Our aim is to find the number of stores…

Q: Marisol randomly surveyed 75 classmates to determine what grade they received in their mathematics…

A:

Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $637.…

A:

Q: A sample was done, collecting the data below. Calc 10 22 28 14

A: Given information: The sample data is provided as: x 10 22 28 14 7 It is to…

Q: A recent survey by the U.S. Census Bureau determined that the median monthly housing rent was $631.…

A:

Q: The mean of the following data is 70. Find x:  47,56,x,79,86

A:

Q: If your score on your next statistics test is converted to a z score, which of these z scores would…

A: Given that  The Z-score are -2.50, -1.50, 0, 1.00, 2.25

Q: The median of a group of individuals’ BMIs whose BMIs are 20.47, 21.92, 23.32, 23.41, 25.7, and 30.1…

A: 20.47 21.92 23.32 23.41 25.7 30.1

Q: Monte recorded the gas mileage, in miles per hour, of ten different cars he is considering buying:…

A: The given mileage are 34 , 27 , 30 , 24 , 28 , 31 , 42 , 30 , 29 , 19

Q: b. What is the​ p-value?

A: From the obtained results, the test statistic value is -2.00 and the test is two-tailed.

Q: A recent study by the u.s. census bureau determined that the median monthly housing rent was $641.…

A: The median is middle value of the observations, above or below which 50% of the observations lie.…

Q: Use the figure to the right, which shows the percentages of adults from severa power plants in their…

A: Null hypothesis: H0: pl=p2 Alternative hypothesis: Ha: pl≠p2

Q: The 12th percentile is (Round to two decimal plac

A: X~ N(μ=46 , σ= 7) then Z=X-μσ=X-467 ~N(0,1) Let P12 be the 12th percentile and is defined as P(X ≤…

Q: Travis took the ACT (μ=19.50,σ=7) and recieved a percentile of 67. What was his z score? What was…

A: you had not provided distribution of sat score so we can not find answer of c.

Q: . What is the p-value?

A: here given  Sample mean  = 24 mph  Sample standard deviation  =  2.2 mph  Sample size  = 14  here…

Q: a recent survey, 8 people were each asked the number of times they have bee 16, 26, 12, 9, 17, 26,…

A: Given data,  16,26,12,9,17,26,11,14 Range=?

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

A:

Q: Three hundred individuals were asked to view the picture quality of four different TVs and asked to…

A: a. Null Hypothesis: H0: The proportions of four groups are equal. Alternative Hypothesis: H1: The…

Q: In a class of 10 students, James got 3rd position from the lowest. What is his percentile rank?

A: Given data: In a class of 10 students, James got 3rd position from the lowest. To find: What is his…

Q: What is the P value?

A: We have given that  p0=39/(32+39)=0.5493 α=0.05

Q: Celyn is among the 1500 students of the school.If Celyn's score based on the Standard-Binet test is…

A: Given: Number of students = 1500 Score on standard Binest test is 105

Q: The following is data for the first and second Quiz scores for 8 students in a class.

A: Given the data for the scores of first and second score for 8 students. The excel steps to obtain…

Q: Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts 22%,…

A: Given:   x weight 65 22% 89 32% 105 17% 101 29%

Q: A recent poll of 700 people who work indoors found that 280 smoke. If the researchers want to be 98%…

A:

Q: Find the D, for the following data 11, 25, 20, 15, 24, 28, 19, 21

A: We have given that,  The data set is,  11, 25, 20, 15, 24, 28, 19, 21 Then, We will find the 6th…

Q: CT 977 There were approximately 28 million adults in Canada when this survey was conducted. Give an…

A: We have given that Sample size = 1008. Value of X =28. Margine of error=3.1%. We need 95 %…

Q: the highest data of 50 leaves is 150mm and the lowest is 118m the desired class size is 9

A: Given  N=50 Highest value=150  Lowest value=118  Class size=9

Q: A high school has 44 players on the football team. The summary of the players' weights is given in…

A: Given, Max value =256 Min value =154 Median = 203 First Quartile = 166 pounds Third Quartile = 234…

Q: MJ took a sample of 50 pieces of data. She added up all of the pieces of data and then divided by…

A: The objective is to determine which measure of central tendency is used in the given scenario.…

Q: A survey of 1104 adults nationwide asked, what irks you most about the actions of other motorists?…

A: Percentage is the ratio of people responded tailgators to the total people surved.

Q: In a sample of 20 men, the mean height was 178 cm. In a sample of 30 women, the mean height was 164…

A:

Q: given the data on the table below, solve for the weighted mean

A: Given information: The given weighted data is as follows: Observation Class Weights 1 1-3 4 2…

Q: What is the p value ?

A: Note: As per the requirement solving  From the available information, The observed frequency for the…

Q: Below are the scores that students get from a 50-item online assessment. Compute for the passing…

A: Question1 solved in step2 and Question2 solved in step3

Q: The median salary of the 1,073 teachers in a large public school district is $38,850 If the 65th…

A: Given, The median salary of the 1,073 teachers in a large public school district is $38,850. If…

Q: What is the percentile for a person that has taken 16 courses? (Your answer should be a %, such as…

A: Percentiles can be calculated using the formula  n = (P/100) x N, where P = percentile, N = number…

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

A:

Q: Sean also took the SAT (μ=1010,σ=200) and had a z score of +0.25. What was his SAT raw score? What…

A: Given data, μ=1010 σ=200 z-score=0.25

Q: Given the data below; 320,332,339,343,345,348,351,352,364,376. a) find the mode.

A: We have to find mode of data.

Q: After six biology tests, Ruben has a mean score of 72. What score does Ruben need on the next test…

A:

Q: Given μ=25and σ=4.8,what would be the x-value for the ninety-fifth percentile?

A: Given:  μ=25 σ=4.8

Q: Given μ=25and σ=4.8,what would be the x-value for the twenty-fifth percentile?

A:

Q: Find the percentage of scores of the following

A: Given,μ=0s=1

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.