1. be less than 30? 2. be greater than 2 below the population mean? 3. be less than 5 above the population mean? 4. be within 0.5 of the population mean?

Q: (a) What percentage of people has an IQ score between 70 and 130? (b) What percentage of people has…

A:

Q: 27. Payton ran l miles on Monday, 2 miles on 7. miles on Wednesday. What is the 8. Tuesday, and 1-…

A: topic -median of distance median is the value in the middle when data is arranged in ascending or…

Q: what is the mean of both 40,200 and 41,750

A:

Q: 1) Estimate the population mean of the number of customers entering the restaurant each day.

A: Here use formula of Mean, variance, median  And here ascending order of data  18,19,20,25,31,42

Q: A box truck rental service offers trucks in multiple sizes for people who are moving. If a 10-foot…

A: Given:           10−foot truck can carry 45 boxes.26−foot truck can carry 160 boxes.

Q: c. How could you proceed to find out how many of the eligible people would actually join the new…

A:

Q: 11) According to-the given data, how many of the passible sandwich combinations include either roast…

A: There are 5 kinds of beef and 4 types of cheese. If roast beef or salami is selected then there are…

Q: 3. What was the median walking time in June 2021? Express your answer to the nearest hundredth.

A:

Q: 1) Is the amount of weight gained by rats who eat only junk food for four weeks ratio or interval…

A: Solution-: 1) Is the amount of weight gained by rats who eat only junk food for four weeks ratio or…

Q: 3. Determine whether sex relate with the spelling proficiency of selected senior high students.…

A: For concluding the discrepancies between the theoretical values (i.e., the true score in terms of…

Q: 14) A researcher at a major clinic wishes to estimate the proportion of the adult population of the…

A:

Q: How many selected cities have values under 11,508,260? (Compare your answer to the table to be sure…

A:

Q: 40. Laspeyre's price index number is : (A) 112.74 (B) 114.74 (C) 124.74 (D) 134.74.

A:

Q: b) What is your estimate of the percentages of individuals who sleep fewer than 6 hours, 6 to 6.9…

A: The data is given as:   Hours of sleep Age group 39 or younger 40 or older Fewer than 6 38 36…

Q: If there were NO drivers who drove 80 or 85 mph would the mean stay the same, be lower,, or higher?

A: From the given information we find the probability.

Q: (a) What percentage of people has an IQ score between 90 and 110? (b) What percentage of people has…

A: Given that  Mean = 100 and  SD = 10

Q: What percentage of buyers paid between $14,500 and $16,000? %

A: Here Given Figure for the Normal distribution with  Mean=μ=$16,000σ=$ 500

Q: Anger/ Heart No Heart Disease Disease Disease Low 31 3079 Moderate 63 4668 High 18 615

A: Given Information: Anger/ Disease Heart Disease No Heart Disease Total Low 31 3079 3110…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: 33. Say the computed measure of associati following is(are) TRUE about the relationship and quality?

A: The correlation coefficient value will always lies between 0 and 1 r = cov(x,y)σxσycov(x,y) =…

Q: What percentage of students guessed between 41 and 44

A:

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A: Solution-: Given: M.E.=0.03,α=0.01, We take, p^=0.5 and  q^=0.5  We find how many residents do they…

Q: For how many months is the median below 4 hours? O 2

A: From the above parallel boxplot show the average daily hours of bright sunshine in Liberia, West…

Q: software system. In planning for the operating system that he will​ use, he needs to estimate the…

A: Given that  Margin of error =E =5%=0.05

Q: 1) What is the high score on the test? 2) What percent of the class scored above a 72? 3)…

A:

Q: i. What is the P-value if the claim is modified to state that the proportion is equal to 0.5?

A: 2.i. In a study of smokers, after using nicotine patch therapy 39 were smoking one year after the…

Q: b. How many applicants are below 20 years old? c. How many applicants are above 32 years old? d. How…

A:

Q: You want to estimate the proportion of home accident deaths that are caused by falls. How many home…

A: Formula for the sample size needed to estimate a population proportion is

Q: From the following data: 24, 109, 16, 128, 46, 86, 57, 37 The median

A:

Q: How many scores 2. between 96 and 106?

A: HERE GIVEN , mean µ = 86 and σ= 10. HERE USE NORMAL DISTRIBUTION BECAUSE POPULATION IS LARGE ENOUGH…

Q: 1(a). What is the point estimate for the proportion of people who liked the chocolate bar?

A: here use given data

Q: 2: The median age of the children is: 29 30.5 28.5 28

A: Given ages are, 36,42,18,32,22,22,25,29,30,31,19,24,35,29,26,36,24,28   Sort the data in Ascending…

Q: 1.) I want to estimate the proportion of adults who like sci-fi movies. How many people should I…

A:

Q: D What is the median? 17 52 27 19 30 16 22 43 19

A: Given data, 17,52,27,19,30,16,22,43,19 Median=?   Sort given data in ascending order…

Q: Mary is participating in a 6-day cress-country biking challenge. She biked for 60, 51, 62, 63, and…

A: According to the question, 60+51+62+63+54+x6=59                    x = 64

Q: 1. What percentage of the employees originated from within the organization? 2. What percentage of…

A: Note: AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING  Here given table for…

Q: State the range and mean of the following. 1 The heights of 11 ten-year-old boys 137 cm, 150 cm, 140…

A: Reviewing information, Given, n=11 X : Heights of ten year-old boys…

Q: 24. The National Education Association (NEA) states that the national mean salary of public school…

A:

Q: Abdul is participating in a 6-day cross-country biking challenge. He biked for 44, 49, 59, 45, and…

A:

Q: The science club collected bottles for every class in Grade 6 for fund raising project. Section a…

A: The formula for average is Average=Sum of observationsNo. of observations. It is given that section…

Q: The Canadian Chiropodists Society states that  36 % of women wear shoes that are too small for their…

A: GivenMargin of error(E)=0.02p^=0.36confidence interval = 98%

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: You are interested in conducting a study to determine the proportion of Thunder Bay high school…

A:

Q: determine the following. (a) What percentage of people has an IQ score between 86 and 114? (b) What…

A:

Q: 14 16 21 25

A: We have given that  Box plot  Min = 9  Q1= 14 Q2= median = 16  Q3 = 21 Max= 25

Q: Refer to the table below:                                      Do you smoke? Sex…

A: Given that                                                                       Do you smoke ?…

Q: 5. The daily totals of enrollments at Sunnyside Summer Camp last Monday through Saturday were 17.…

A:

Q: A. What score must a student get in order to pass? B. How many students would get a score between 77…

A: here  given , mean = 74  and standard deviation  = 7 Y= score of student in exam

Q: 4. The amount of paint utilized in a building project 5. The number of dropouts in a school district…

A: 4. The amount of paint utilized in a building project - Continuous random variable. ( Amount of…