Statistics question and answers for December 10, 2023
- Q 47 Wine beer or spirits There is good evidence that mod erate alcohol use improves health Some people think that red wine is better for your health than other alco...
- Q 3 Quitting Smoking and Risk for Type 2 Diabetes Researchers studied a group of 10 892 middle aged adults over a period of nine years They found that smokers who...
- Q 15 Does Meditation Reduce Anxiety An experiment that claimed to show that meditation reduces anxiety proceeded as follows The experimenter in terviewed the subjects and rated their level of anxiety...
- Q 31 Don t stop exercising An investigation of the effect of different levels of physical activity was conducted on identical male twins in Finland For each twin pair al though...
- Q Kraft Foods successfully introduced DiGiorno Pizza into the marketplace in 1996 Kraft conducted extensive research about the product and the marketplace before introducing this product to the public Many questions...
- Q 13 Healthy Diet and Cataracts The relationship between healthy diet and prevalence of cataracts was assessed using a sample of 1808 participants from the Women s Health Initiative Observational Study...
- Q 7 Reducing Unemployment Will cash bonuses speed the return to work of unemployed people A state department of labor notes that last year 41 of people who filed claims for...
- Q Points 0 33 of 1 Fast food is often considered unhealthy because much of it is high in both fat and sodium But are the two related Here are the...
- Q d t 1 5t The function models d the distance in meters a car travels after t seco of constant acceleration from rest What is the distance in meters the...
- Q 2000 2500 3000 3500 4000 4500 5000 300 5500 6000
- Q K ev The diameters of ball bearings are distributed normally The mean diameter is 134 millimeters and the standard deviation is 3 millimeters Find the probability that the diameter of...
- Q Find the area under the standard normal curve to the left of z 2 11 Round your answer to four decimal places if necessary Answer 2 Points K Keyboard S...
- Q Consider the accompanying data and scatterplot of the data from a small bookstore Find the correlation coefficient for the given data An earlier analysis found that the data had a...
- Q Fast food is often considered unhealthy because much of it is high in both fat and sodium But are the two related Here are the fat and sodium contents of...
- Q An English professor assigns letter grades on a test according to the following scheme A Top 8 of scores B Scores below the top 8 and above the bottom 63...
- Q Calculate the standard score of the given X value X 90 4 where Round the standard score to two decimal places Answer 2 Points 88 4 and 6 90 4...
- Q Use the z score formula z Answer 2 Points x and the information below to find the value of o Round your answer to one decimal place if necessary O...
- Q 2 pts In a marathon is the finishing time more impressive if it is in the 10th percentile or in the 90th ercentile Explain why
- Q Use the following table below to answer the questions on this assignment The total number of points scored in the Superbowl for the years 2001 2022 is below 74 51...
- Q 6 pts Looking at the two Box Plots below which has a larger Range Which one has a larger IQR Justify your response show your work 39 46 5 42...
- Q A hair salon surveyed 360 customers 100 females and 260 males to see if they are satisfied with the service The result is summarized in the following table Satisfied Not...
- Q The probabilities for the amount that can be won on a lottery game are given in the table below Type numbers in the boxes Find the missing probability X 10...
- Q 4 4 pts Looking at the image graph below which was used in an actual presentation by a member of the US house of representatives in 2015 write a brief...
- Q 6 pts The average age of a US president when elected is 55 50 years with a standard deviation of 7 27 years The average age of a Canadian Prime...
- Q The quantitative data was gathered by taking a random sample Calculate the standard deviation Round to one decimal place X 24 23 26
- Q On a recent quiz the class mean was 72 with a standard deviation of 3 Calculate the z score to 2 decima places for a person who received score of...
- Q Here is a sample data set n 48 that is nearly normal 55 56 4 61 3 62 6 62 6 63 8 66 66 7 67 7 68 68...
- Q The following are the amounts of total fat in grams from a sample of different kinds of sweet treats available at the local donut shop 15 21 18 17 19...
- Q In a neighborhood donut shop one type of donut has 540 calories four types of donuts have 530 calories two types of donuts have 410 calories two types of donuts...
- Q Using technology find the range and standard deviation Round to two decimals places The table below gives the number of hours spent watching TV last week by a sample of...
- Q Calculate the standard deviation of the sample quantitative data shown to two decimal places 9 1 21 3 21 2 12 6 21 1 27
- Q Calculate the sample standard deviation of the quantitative data shown Round to two decimal place X 14 27 24 13 20 23
- Q Maria ran an experiment to determine the optimal conditions for growing artichokes The data below display the weights of the artichokes she grew measured in grams 107 7 115 4...
- Q Here is a sample data set Frequency 240 4 293 299 2 336 3 369 7 377 5 405 2 405 2 415 7 420 5 421 1 425 7...
- Q The five number summary of a dataset was calculated to be 0 4 9 17 19 a An observation is considered an outlier if it is below b An observation...
- Q Alan Baker interested in the number of chairs per household people have Please finish the calculation below using data he collected here Number of Chairs 1 2 3 4 5...
- Q Using technology find the measures of central tendency for the following raw quantitative data set Rom the answers to two decimal places 56 9 62 1 67 9 74 6...
- Q Find the mean for the recorded exam scores in points from a statistics exam Round the answer to one decimal place 65 17 91 36 56 68 40 43 55...
- Q The time spent waiting in the line is approximately normally distributed The mean waiting time is 6 minutes and the variance of the waiting time is 9 Find the probability...
- Q Here is a sample set of quantitative data 215 8 222 2 228 7 250 6 265 6 272 7 273 4 279 8 310 1 315 4 319 4...
- Q To plan for retirement Justin deposits 295 each quarter in an annuity that pays 7 interest compounded quarterly Payments will be made at the end of each quarter Find the...
- Q t 9 10 11 12 data 13 14 15 16 Based on the boxplot above identify the 5 number summary
- Q Find the maximum for this list of numbers 5 98 13 51 25 31 33 81 47 23 59 96 37 84 16
- Q 10 11 12 13 14 15 16 17 18 P Based on the boxplot above what is the value for the Q1
- Q Find the minimum for this list of numbers 60 65 47 23 64 88 68 70 74 59 14 4 20 66 28
- Q The highway mileage mpg for a sample of 8 different models of a car company can be found below Find the 5 number summary and use it to create a...
- Q Find the first quartile for the given quantitative data 35 47 41 45 19 83 30 50 49 33 89 39 9 48 4
- Q Find the 5 number summary for the data shown 7 13 22 43 53 72 87 89 9 14 26 52 61 74 88 5 number summary
- Q Here is a sample data set Frequency 340 343 2 345 4 347 9 358 7 364 8 365 6 369 7 373 5 379 2 384 384 2 389...
- Q The five number summary of a dataset was found to be minimum 2 Quartile 1 5 Median 8 Quartile 3 14 Maximum 19 An observation will be considered an outlier...
- Q Find the first and third quartile for the quantitative data Q Q3 X 3 8 4 5 5 4 12 9 17 1 19 1 27 4 27 9 28...
- Q The five number summary of a dataset is given as 6 7 11 17 19 a An observation is considered an outlier if it is below b An observation is...
- Q Below is a sample quantitative data set 360 9 360 9 407 9 404 1 235 2 374 6 275 4 589 231 6 193 5 430 447 4 339...
- Q The following data represents the GPA of a sample of 15 students enrolled in a history clas 3 4 3 9 4 0 2 8 3 5 2 6 3...
- Q Find the third quartile for the given quantitative dat 29 43 45 4 53 1 95 61 80 16 90 26 65 54 84
- Q Data was collected for 300 fish from the North Atlantic The length of the fish in cm is summarized in the histogram below Frequency 100 80 60 40 20 100...
- Q Given below is a data set 24 32 18 28 25 34 27 33 17 18 22 27 48 42 28 34 14 22 11 22 25 31 16 23...
- Q Data was collected for 236 randomly selected 10 minute intervals For each ten minute interval the number of people entering the atrium of a large mall were recorded The data...
- Q Data was collected for a sample of organic snacks The amount of sugar in mg in each snack is summarized in the histogram below Which statement best describes the meaning...
- Q Data was collected for 277 randomly selected 10 minute intervals For each ten minute interval the number of people entering the atrium of a large mall were recorded The data...
- Q Given below are data that has approximately normal distribution data data data data 57 28 41 18 44 35 46 67 53 82 47 62 71 23 39 82 54...
- Q Find the area under the standard normal curve between the given z values Round your answer to four decimal places if necessary Z 1 72 Z2 1 72 Answer
- Q Find the area under the standard O Answer Keypa Keyboard Shortc Normal Table to z Tables If you would like to look up the value in a table select the...
- Q Calculate the standard score of the given X value X 80 8 where u score to two decimal places Answer 71 5 and o 75 9 and indicate on the...
- Q Decide which of the following statements are true Answer Tables Keyboard The inflection points for any normal distribution are one standard deviation on either side of the mean O The...
- Q d A smaller sample of 15 students yielded the following data 5 4 7 6 8 1 6 6 5 3 8 10 10 19 50 Use a class interval...
- Q Answer Tables Key Keyboard Sho The inflection points for any normal distribution are three standard deviations on either side of the mean The mean of a normal distribution is always...
- Q Consider the following data 2 3 1 P X x 0 1 0 2 0 3 Step 3 of 5 Find the standard deviation Round your answer to one decimal...
- Q The Parker family bought a house for 270 000 The value of the real estate in that town will increase by 4 2 each year If values continue at that...
- Q A small liberal arts college in the Northeast has 250 freshmen Sixty of the freshmen are education majors Suppose twenty five freshmen are randomly selected without replacement Step 2 of...
- Q Graph the function in a viewing window that will allow you to use a calculator to approximate a the coordinates of the vertex and b the x intercepts y 0...
- Q A town recently dismissed 9 employees in order to meet their new budget reductions The town had 7 employees over 50 years of age and 18 under 50 If the...
- Q There are 8 black balls and 8 red balls in an urn If 4 balls are drawn without replacement what is the probability that exactly 1 black ball is drawn...
- Q There are 9 black balls and 6 red balls in an urn If 4 balls are drawn without replacement what is the probability that exactly 2 black balls are drawn...
- Q A certain insecticide kills 80 of all insects in laboratory experiments A sample of 6 insects is exposed to the insecticide in a particular experiment What is the probability that...
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