Statistics question and answers for November 12, 2023
- Q 7 Use the stem and leaf plot below to answer the following question Stem Leaves 2 3 4 5 6 3566 01 25 578 23334 Find the mean of the...
- Q 5 Use the following data set to answer the question 55 37 52 27 29 16 24 32 Find each difference between the data entries and the mean
- Q 8 Use the following data set to answer the following question 42 44 46 48 52 54 58 59 61 62 64 71 75 77 79 81 Find the range...
- Q The acc mpanying table shows the numbers of male and female students in a particular country who received bachelor s degrees in business in a recent year Complete parts a...
- Q Monica a chef at a 5 star restaurant makes eight different desserts She wants to see if the customers prefer any specific dessert to another She keeps a record of...
- Q K The data given below show the number of overtime hours worked in one week per employee Use the data to complete parts a and b Overtime hours 1 3...
- Q children Click t The mean The standa Table of numbers of girls and probabilities Number of Girls x 0 12345678 P x 0 002 0 025 0 119 0 224...
- Q Young s modulus is a quantitative measure of stiffness of an elastic material Suppose that for aluminum alloy sheets of a particular type its mean value and standard deviation are...
- Q Solve the system by back substitution 4x By 2z 6w 2 4y 24z 8w 32 32 3w 6 5w 15 The solution set is 0 Type an integer or a...
- Q atch the histograms on the right to the summary statistics given I 11 IV a b c d Mean 60 65 60 60 Median 60 65 60 60 Standard Deviation...
- Q Match the histograms on the right to the summary statistics given IV Mean 59 69 59 59 a AR b d Median 59 69 59 59 Standard Deviation 2 2...
- Q to the ren Click t mean i Table of numbers of girls and probabilities Number of Girls x 0 12345678 P x 0 002 0 025 0 119 0 224...
- Q There is a 0 99968 probability that a randomly selected 22 year old female lives through the year An insurance company wants to offer her a one year policy with...
- Q In a survey cell phone users were asked which ear they use to hear their cell phone and the table is based on their responses Determine whether a probably distribution...
- Q In a state s lottery you can bet 3 by selecting three digits each between 0 and 9 inclusive If the same three numbers are 600 Complete parts a through...
- Q panying table which describes the number of adults in groups of five who reported sleepwalking Find the mean and standard deviation for the numbers eepwalkers in groups of five Click...
- Q Suppose that textbook weights are normally distributed You measure 44 textbooks weights and find they have a mean weight of 63 ounces Assume the population standard deviation is 2 2...
- Q A corporation must appoint a president chief executive officer CEO chief operating officer COO and chief financial officer CFO It must also appoint a planning committee with five different members...
- Q After giving a statistics exam Professor Dang determined the following five number summary for her class results 55 63 73 86 95 Use this information to draw a boxplot of...
- Q One year Todd had the lowest ERA earned run average mean number of runs yielded per nine innings pitched of an male pitcher at his school with an ERA of...
- Q In a rugby match a tie at the end of two overtime periods leads to a shootout with five kicks taken by each team from the center of the 22...
- Q Complete the paragraph The standard deviation is used in conjunction with the The distribution measures the center of the distribution while the standard deviation measures the Choose the correct answers...
- Q What does the symbol I represent The five starting players of an NBA basketball team can stand in a line 51 different ways so what is the actual number of...
- Q A Social Security number consists of nine digits in a particular order and repetition of digits is allowed After seeing the last four digits printed on a receipt if you...
- Q 65 The data represent the age of world leaders on their day of inauguration Find the five number summary and construct a boxplot for the data Comment on the shape...
- Q In 1994 major league baseball players went on strike At the time the average salary was 1 049 589 and the median salary was 337 500 If you were representing...
- Q Explain the meaning of the following percentiles in parts a and b a The 10th percentile of the weight of males 36 months of age in a certain city is...
- Q The histogram on the right represents the connection time in seconds to an internet provider Determine which measure of central tendency better describes the center of the distribution CO mean...
- Q 58 The data represent the age of world leaders on their day of inauguration Find the five number summary and construct a boxplot for the data Comment on the shape...
- Q Which of the accompanying boxplots likely has the data with the larger standard deviation Why Click the icon to view the boxplots Choose the correct answer below OA Boxplot I...
- Q a Identify the shape of the distribution and b determine the five number summary Assume that each number in the five number summary is an integer 10 20 a Choose...
- Q Explain the meaning of the accompanying percentiles a The 15th percentile of the head circumference of males 3 to 5 months of age in a certain city is 41 0...
- Q The following graph is an ogive of a standardized test s scores The vertical axis in an ogive is the cumulative relative frequency and can also be interpreted as a...
- Q Explain the circumstances for which the interquartile range is the preferred measure of dispersion What is an advantage that the standard deviation has over the interquartile range Choose the correct...
- Q A manufacturer of bolts has a quality control policy that requires it to destroy any bolts that are more than 2 standard deviations from the mean The quality control engineer...
- Q 16 The ages of clients seen in a local healthcare clinic is given in the following data set 37 38 45 47 48 51 54 54 58 60 62 63...
- Q What is meant by the phrase degrees of freedom as it pertains to the computation of the sample standard deviation Choose the correct answer below C A There are n...
- Q Part 1 of 4 The table below shows the results of a survey that asked 2853 people whether they are involved in any type of charity work A person is...
- Q A physics class has 50 students Of these 17 students are physics majors and 16 students are female Of the physics majors seven are female Find the probability that a...
- Q Choose the three formulas that can be used to describe complementary events Select the three formulas that can be used to describe complementary events A P E 1 P E...
- Q Classify the following statement as an example of classical probability empirical probability or subjective probability Explain your reasoning According to company records the probability that a washing machine will need...
- Q Thirty of the 200 digital video recorders DVRs in an inventory are known to be defective What is the probability you randomly select a DVR that is not defective The...
- Q You randomly select an integer from 0 to 39 inclusively and then randomly select an integer from 0 to 49 inclusively What is the probability of selecting a 37 both...
- Q It is found that the home team was victorious in 70 games out of a sample of 120 games in the FA premier league a football soccer league in Great...
- Q Hypotheses for a statistical test are given followed by several possible confidence intervals for different samples In each case confidence interval to state a conclusion of the test for that...
- Q Impact of Arts Education A randomized controlled experiment involving over 10 000 students enrolled in 4th to 8th grade in Texas examined the impact of arts education on a wide...
- Q The dataset DecemberFlights contains the difference between actual and scheduled arrival time from 1000 randomly sample December flights for two of the major North American airlines Delta Air Lines and...
- Q A confidence interval for a sample is given followed by several hypotheses to test using that sample In each case use the confidence interval to give a conclusion of the...
- Q 16 The life time of bulbs is as follows Can we accept the hypothesis that the average life is 4 hours Item 1 2 3 4 5 6 7 8...
- Q Find the standard error of mean 39 49 59 69 79 89 2 3 11 20 32 25 a Marks No of students 99 7
- Q 12 Show that for distribution with n d f mean deviation about mean is given by n r n nr m 2 2
- Q Suppose that a customer is purchasing a car He conducts an experiment in which he puts 10 gallons of gas in the car and drives it until it runs out...
- Q Ar A soap manufacturing company was distributing a particular brand of soap through a large number of retail shops Before a heavy advertisement compaign the mean sales per week per...
- Q Which theory approaches medicine and health as health and the healthcare system are valuable resources that are unequally shared in society Structural Functionalist Conflict Theory O Symbolic interactionists O None...
- Q Which theory approaches social institutions with the idea that social institutions represent the interests of those in power and thus create and maintain inequalities in society Structural Functionalist Conflict Theory...
- Q Which theory approaches social change with the idea that social change involves changes in the meaning of things as well as changes in laws culture and social behavior O Conflict...
- Q approaches religion focus on how religious meaning is constructed in interaction and how religion is incorporated into everyday life of individuals and groups Symbolic interactionism Conflict Theory Structural Functionalist O...
- Q Which theory approaches medicine and health as disease being a threat to social order and sick individuals cannot fulfill their roles and contribute to society Structural Functionalist O Conflict Theory...
- Q Which theory approaches the natural environment with the notion that not all groups or individuals benefit equally from society s use of the natural environment Conflict Theory Structural Functionalist O...
- Q views outsourcing as exploiting poor and developing nation and laid off local workers all while enriching corporations Conflict Theory Structural Functionalist Symbolic interactionists None of the Above
- Q Which histogram depicts a higher standard deviation Frequency 10 8 6 0 30 40 50 60 70 a Choose the correct answer below Frequency 10 8 2 0 40 44...
- Q In a statistics class the standard deviation of the heights of all students was 3 8 inches The standard deviation of the heights of males was 3 4 inches and...
- Q Over the past 10 years five mutual funds all had the same mean rate of return The standard deviations for each of the five mutual funds are shown below Capital...
- Q True or False When comparing two populations the larger the standard deviation the more dispersion the distribution has provided that the variable of interest from the two populations has the...
- Q Find the payment necessary to amortize a 12 loan of 2100 compounded quarterly with 17 quarterly payments The payment size is Round to the nearest cent www
- Q If the variance of a variable is 36 what is the standard deviation This is a reading assessment question Be certain of your answer because you only get one attempt...
- Q What can be said about a set of data with a standard deviation of 0 This is a reading assessment question Be certain of your answer because you only get...
- Q Identify the given statement as either true or false The standard deviation can be negative This is a reading assessment question Be certain of your answer because you only get...
- Q Let be the number of packages being mailed by a randomly selected customer at a certain shipping facility Suppose the distribution of X is as follows 2 3 4 p...
- Q True or False Chebyshev s inequality applies to all distributions regardless of shape but the empirical rule holds only for distributions that are bell shaped Choose the correct answer below...
- Q Find the amount necessary to fund the given withdrawals Quarterly withdrawals of 600 for 6 years interest rate is 4 7 compounded quarterly The amount necessary to fund the given...
- Q The annual profits of five large corporations in a certain area are given below Which measure of central tendency should be used 206 000 214 000 234 000 204 000...
- Q K The table below shows a random sample of 30 quantitative SAT scores of first year students admitted at a university Make an appropriate graph of distribution of the data...
- Q Provide an appropriate response In interpreting a boxplot of a data set we note that the median is to the left of the center of the box and the right...
- Q Construct a frequency distribution for the data using five classes Describe the shape of the distribution The data set Pick Three Lottery Outcomes for 10 Consecutive Weeks 3 676061784 1...
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