Statistics question and answers for November 01, 2023
- Q The following data are the amounts that a sample of 15 customers spent for lunch at a fast food restaurant Complete parts a through d below 7 42 6 33...
- Q A large family held department store had the business objective of improving its response to complaints The variable of interest was defined as the number of days between when the...
- Q 4 You buy two icecream cones one for you and one for your friend The probability that both both icecream cones are chocolate is 10 If you choose chocolate the...
- Q 2 Each month a retail store awards a blue ribbon to its employee of the month The probability that Roberta is the employee of the month is 50 in May...
- Q 5 Of the 102 customers at a restaurant 35 ate french fries and 55 ate hamburgers Of these customers 14 ate both Find the probability that a customer chosen at...
- Q 6 You roll a dice 3 times What is the probability of rolling a 5 all three times Show your work
- Q Standard Normal Table Page 2 2 8888888889 993995998 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0...
- Q The function f x 4 x 2 6 X 2 has an inverse f x defined on the domain x2 6 Find the inverse function Provide your answer below
- Q performance of two of her stores Store 1 and Store 2 Sales can vary considerably depending on the day of the week and the season of the year so she...
- Q Scatter plot shows the nur cars or expe Vrite an approximate equation of the line of best fit for the data It doesn t have to be the exact line...
- Q employee It is known that the population of all these employee commute distances is approximately normally distributed The corporation claims that the standard deviation of this population is 8 44...
- Q 14 Write any 5 numbers whose mean is 3 and whose median is 6
- Q take action Over the course of the next few months he records the waiting times for each of a random selection of 25 post office visits made by him and...
- Q Ing x and the quiz score y for each of 25 students a Write an approximate equation of the line of best fit for the data It doesn t have...
- Q new In the twentieth century it was a common practice in Southern California for houses to be built with pools in the back however that practice may be changing possibly...
- Q stion 3 You are being tasked to run the finances of the workshop your team is organizing The total number attendees is 45 with 9000 of fix setup cost 125...
- Q NK estion You are weing tasked to run the finances of the workshop your team is organizing The total number of attendees is 45 with 9000 of fix setup cost...
- Q 15 Write any 5 numbers with mode equals 0
- Q 13 Write any 5 numbers whose median is 1
- Q 12 Write any 5 numbers whose mean is 5
- Q The following frequency table summarizes a set of data What is the five number summary Value Frequency 7 2 8 3 10 2 11 1 13 2 14 2 1...
- Q For a data set of chest sizes distance around chest in inches and weights pounds of six anesthetized bears that were measured the linear correlation coefficient is r 0 948...
- Q Eternal Jane is a buyer for a major shipping company and wants to determine if there is any difference between the two brands of tire in the mean distance in...
- Q A sample of 26 offshore oll workers took part in a simulated escape exercise resulting in the accompanying data on time set 388 350 354 352 378 424 322 395...
- Q population of heights of all mature eucalyptuses in the forest is approximately normally distributed An article in a conservation journal claims that the standard deviation of this population is 7...
- Q weight Away a company that sells weight loss plans often advertises the effectiveness of its plans by highlighting the stories of a few clients who have lost extraordinary amounts of...
- Q 3 The weight of pennies currently being minted is about 2 5 grams more or less Is this a counting of a discrete variable please circle your answer YES NO
- Q 16 Write any 5 numbers with no mode 17 Calculate the mean the median the mode the range th variance and the standard deviation for the following sampl 2 3...
- Q 8 In 1980 the Hawaii State Senate held hearings when it was considering a law requiring that motorcyclists wear helmets Some motorcyclists testified that they had been in crashes in...
- Q 19 Find the fraction or proportion of the data according to rule that is contained in the interval 2 2s Chebyshev s 2 2s
- Q 18 Calculate the variance and standard deviation for the samples a n 40 Ex 380 Ex 100 b n 20 Ex 18 Ex 17 Answer s Answer s
- Q 22 Give the percentage of measurements in a dataset that are above and below each of the following percentiles a 71st percentile Answer above is below is b 59th percentile...
- Q 21 Using the relation of the range with standard deviation Range 4 give an estimate of s the sample standard deviation when the value of the range is 24 Answer
- Q 10 An economist collects income data by selecting and interviewing subjects now then going back in time education records to see if they had the wisdom to take a statistics...
- Q 9 Certain cruise ship passengers are given magnetic bracelets which they agree to wear in an attempt to eliminate or diminish the effects of motion sickness What type of study...
- Q 11 The Coca Cola Company has 366 000 stockholders and a poll is conducted by randomly selecting 30 stockholders from each of the 50 states The number of shares held...
- Q 4 In Big City there are 3258 walk buttons that pedestrians can press at traffic intersections and 511 of them do not work Is this a counting of a discrete...
- Q 12 Write any 5 numbers whose mean is 5 13 Write any 5 numbers whose median is 1 14 Write any 5 numbers whose mean is 3 and whose median...
- Q 1 Name a Variable corresponding to Discrete data i e counting 2 Name a Variable corresponding to Continuous data i e measuring
- Q 5 In a survey of 1059 adults it is found that 39 of them have guns in their homes based on a 2004 Gallup poll What type of data is...
- Q 6 Salaries of women who are chief executive officers of corporations What type of data is this QUANTITATIVE QUALITATIV please circle your answer
- Q What kind of data should the input file for a call to load contain Binary Data
- Q To exclude row names from being written to the output of a cal to write table which of the following argument specifications are correct row names FALSE row names TRUE...
- Q What kind of data should the input file for a call to source contain OR code
- Q Can read table read a file directly from the internet O Yes O No
- Q What is the default value of the header argument in read table FALSE O TRUE O NA
- Q What kind of file is normally created using dump O R O RData Rmd
- Q What kind of file is normally created using ORData O R Rmd save
- Q In a study 5 000 adults were surveyed and the number of siblings each had X was recorded The probability distribution is given below Find the mean and the standard...
- Q Suppose we have an algorithm that can detect whether a particular type of photograph features a turtle We seek to demonstrate that our algorightm can out perform the state of...
- Q Question 2 Suppose we have a new method of blowing crystal glass We seek to demonstrate that our new method has a lower rate of imperfections than our current method...
- Q Consider this statistical test hypothesis pair HO p 9 10 Ha p 1 3 This is Oa well formed hypothesis about a sample distribution shape Oa well formed hypothesis about...
- Q Consider this statistical test hypothesis pair HO p 2 3 Ha p 2 3 This is Onot a well formed hypothesis pair Oa well formed hypothesis about a sample statistic...
- Q Consider this statistical test hypothesis pair HO p 1 10 Ha p 1 10 This is Oa well formed hypothesis about a sample statistic Oa well formed hypothesis about a...
- Q Consider this statistical test hypothesis pair HO p 1 3 Ha p 1 2 This is ONot enough information to answer this question Oa well formed hypothesis about a sample...
- Q TER 7 17 Views on Capital Punishment In carrying out a study of views on capital punishment a student asked a question two ways 1 With persuasion My brother has...
- Q 3 Create the relative frequency of row table then make an observation about the frequencies Total Activity Male Jog Fly Kites 100 Female 1 27 100 Total 100 11 272...
- Q 4 Create the relative frequency of total table then make an observation about the frequencies Fly Kites Picnic Activity Male 30 Female Total Jog M 1750 20 50 TO SOU...
- Q 8 40 Taxes Suppose a poll is taken that shows that 281 out of 500 randomly selected independent people believe the rich should pay more taxes than they do Test...
- Q than one bultet hole 7 20 Targets Bias or Lack of Precision Again a If a rifleman s gunsight is adjusted correctly but he has shaky arms the bullets might...
- Q is studying the sell image okers as me Dy psychologist the self image SI score from a personality inventory She would like to examine the mean SI score for the...
- Q 7 17 Views on Capital Punishment In carrying out a study of views on capital punishment a student asked a question two ways 1 With persuasion My brother has been...
- Q B 0 g 8 35 Gun Control Historically the percentage of U S residents who support stricter gun control laws has been 52 A recent Gallup Poll of 1011 people...
- Q A researcher studying stress is interested in the blood pressure measurements of chief executive officers CEOs of major corporations He has good reason to believe that the mean systolic blood...
- Q H C d dre then simulates the scientist s sample by drawing a slip of paper from the bag noting whether it is Mutant or not then replacing the paper...
- Q Product design Electricity Setup Total 20 000 50 000 520 000 Required 1 Compute a single plantwide overhead rate assuming the company allocates overhead cost based on 13 000 direct...
- Q when blindly guessing among four answers in a multiple choice test since C is more often the correct answer than either A B or D Suppose that we take a...
- Q A biologist is breeding fruit flies to include a specific genetic mutation that will be useful in understanding memory in humans To check whether a fly has the mutation a...
- Q Find the mean X of the data 78 45 73 66 61 67 x Mean
- Q I 4 Bartholomew is grocery shopping The probability that he buys chicken is 0 85 The probability that he buys beef is 0 52 The probability that he buys both...
- Q a Compute the z score corresponding to the individual who obtained 38 1 miles per gallon Interpret this result b Determine the quartiles c Compute and interpret the interquartile range...
- Q thinking about marriage Over the years writers for the magazine have researched just about everything there is to research about weddings The popular conception at the magazine has been that...
- Q The mean finish time for a yearly amateur auto race was 186 52 minutes with a standard deviation of 0 359 minute The winning car driven by Ted finished in...
- Q n a certain city the average 20 to 29 year old man is 72 5 inches tall with a standard deviation of 3 1 inches while the average 20 to...
- Q In your new role as a data analyst for a larg hospital patient outcomes at a newly built hospital Mountain View versus an existing hospital Greenside She is specifically interested...
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