Statistics question and answers for November 03, 2023
- Q A person bounces several checks and is charged service fees such that the balance of the checking account is 8 dollars If the person then deposits 250 dollars what is...
- Q The number of new products containing an artificial sweetener are shown in the table to the right for various years Let n be the number of new products containing the...
- Q Find 65 of 7 65 of 7 is Type an integer or a decimal
- Q Use a calculator to perform the indicated operation 245 125 2893 26
- Q Use a calculator to compute the following 17 65 97 82 17 97 65 82 Round to two decimal places as needed
- Q Let n be the number in millions of skateboarders in a country at t years since 2000 What does the ordered pair 9 14 mean in this situation Choose the...
- Q The body mass index I can be used to determine an individual s risk for heart disease An index less than 25 indicates a low risk The body mass index...
- Q As part of its interview process an employment agency tests the client s typing speed The stem and leaf display below shows the results for the most recent clients 18...
- Q A job placement agency advertised that last year its clients on average had a starting salary of 40 000 Assuming average refers to the mean which of the following claims...
- Q Graph the line 3 y x 2 4x 2 K 10 21 8 FOLL abou
- Q A weight loss clinic advertised that last month its patients on average lost 7 lb Assuming that average refers to the mea which of the following claims must be true...
- Q Suppose that two attributes w and u both measures of net funness have been recorded in two different samples For each we wish to perform inference to their respective target...
- Q Suppose that two attributes x and w both measures of net income have been recorded in two different samples For each we wish to perform inference to their respective target...
- Q Suppose that two attributes u and y both measures of net salt content have been recorded in wo different samples For each we wish to perform inference to their respective...
- Q What is the mathematical equation for any line s added to a plot using abline function O y a bx O y b ax O x b ay O x...
- Q A spinner with 5 equally sized slices has 3 yellow slices 1 red slice and 1 blue slice Rachel spun the dial 1000 time got the following results Outcome Number...
- Q Which command will count the total number of characters in a character vector x Osum nchar x length nchar x sapply x nchar O length x
- Q What is the output of length paste c a bc def c ghi jkl 1 0 3 2
- Q Can low level plot functions be used if no plots are open O No O Yes
- Q What is the name of the high level plot function argument that specifies the title of a plot O main title O head
- Q What is the length of the vector c NULL NULL 02 0 1
- Q Consider the following venn diagram A Pr A is closest to 06 7 06 13 04 12 013 18 00 7 04 15 012 17 011 23 Pr B is...
- Q Consider the scatterplot 20 15 10 G 0 5 10 unit pressure diff vs effectiveness 100 0 effectiveness 100 O 200 The correlation coefficient between effectiveness and unit pressure diff...
- Q A Pr A is closest to 07 10 08 10 10 19 08 17 06 12 4 16 06 13 07 15 Pr B is closest to 012 13 6...
- Q A Pr A is closest to 010 18 05 6 5 14 08 14 012 18 09 18 04 11 03 13 Pr B is closest to 07 14 03...
- Q Question z Consider the following distribution 1510 02719 02266 906 302 0 1510 02719 0755 pressure n 3021 302 02266 2 The number of observations between 0 96168 and 2...
- Q onsider the following distribution effectiveness n 1125 60 50 40 30 20 10 0 The number of observations between 15 06762 and 5 61609 is closest to 0112 01012 844...
- Q The least squares regression equation is y 787 1x 12 501 where y is the median income and x is the percentage of 25 years and older with at least...
- Q When testing a new treatment what is the difference between statistical significance and practical significance Can a treatment have statistical significance but not practical significance Choose the correct answer below...
- Q Find the range variance and standard deviation for the given sample data if possible If the measures of variation can be obtained for these values do the results make sense...
- Q Listed below are the measured radiation emissions in W kg corresponding to cell phones A B C D E F G H I J and K respectively The media often...
- Q Determine whether the results below appear to have statistical significance and also determine whether the results have practical significance In a study of a weight loss program 7 subjects lost...
- Q Calculate the pay for the following day of a weekly time card given a wage of 14 hr Name Week of Morning In Out In Out Monday 08 00 12...
- Q Money Earned 8288 50 40 30 20 10 Hours Worked A 14 00 per hour B 10 00 per hour C 20 00 per hour D 18 00 per hour...
- Q In a recent poll 450 people were asked if they liked dogs and 25 said they did Find the margin of error of this poll at the 99 confidence level...
- Q Out of 100 people sampled 40 had kids Assuming the conditions are met construct a 99 confidence interval for the true population proportion of people with kids Give your answers...
- Q Your employer provides an option to enroll in either a high deductible health insurance plan or a low deductible health insurance plan The monthly premium that each plan will cost...
- Q If n 420 and p p hat 0 85 construct a 90 confidence interval Give your answers to three decimals 53 Herrago instructor Post to forum
- Q f the mean height of bonsai trees is 42 cm and 95 of the trees are between 12cm and 72cm The standard deviation is
- Q The mean describes an entire sample with a single number that represents the calculated by of the data This measure is all the data points and dividing by the total...
- Q Compare the standard deviation of a data set when removing an outlier An outlier is an extreme value that is significantly less or more than the rest of the data...
- Q If the average salary of a computer programmer is 71 800 with a standard deviation of 13 000 approximately the programmers make over 97 800 of
- Q Students at Arrowhead High School took a Math test with a mean of 120 and a standard deviation of 25 Approximately of the students scored above 170
- Q Susie is doing some research on dogs she creates a survey asking people about their dogs temperament and about their weight
- Q e mean always has a z score value
- Q Find the standard deviation of 10 16 18 20 22 28 Round to the nearest hundredth Answer
- Q Match the story with the correct graph As the storm got worse the rain fell harder and harder Choose the graph below that best illustrates the story A Amount of...
- Q With aging body fat increases and muscle mass declines The line graphs show the percent body fat in adult women and men as they age from 25 to 75 years...
- Q heights of males from a data set of body measurements vary from a low of 160 0 cm to a high of 192 3 cm Use the range rule of...
- Q Listed below are amounts of strontium 90 in millibecquerels or mBq in a simple random sample of baby teeth obtained from residents in a region born after 1979 Use the...
- Q Use z scores to compare the given values Based on sample data newborn males have weights with a mean of 3258 6 g and a standard deviation of 585 5...
- Q In designing a work desk it is found that males have sitting knee heights with a mean of 22 3 in and a standard deviation of 1 6 in based...
- Q According to a random sample taken at 12 A M body temperatures of healthy adults have a bell shaped distribution with a mean of 98 11 F and a standard...
- Q The mass of a species of mouse commonly found in houses is normally distributed with a mean of 20 grams with a standard deviation of 0 19 grams For parts...
- Q 0 1 pt100 Details The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5 4 days an standard deviation of 1 8 days...
- Q 0 1 pt 100 Details The amount of time to complete a physical activity in a PE class is approximately normally distributed with a mean of 39 8 seconds and...
- Q The average resting heart rate of a population is 89 beats per minute with a standard deviation of 13 bpm Find the z scores that correspond to each of the...
- Q The accompanying data represent the weights in grams of a random sample of 48 M M candies Complete parts a through f Click the icon to view the weights of...
- Q arissa has just completed her second semester in college She earned a grade of hour discrete math course a grade of C in her 1 hour psychology course a grade...
- Q test have a bell shaped distribution with a mean of 100 and a standard Use the empirical rule to determine the following hat percentage of people has an IQ score...
- Q Which histogram depicts a higher standard deviation Q Frequency 10 8 6 4 2 0 40 44 48 52 56 60 a Choose the correct answer below OA Histogram a...
- Q ving data represent the flight time in minutes of a random sample of six flig s Nevada to Newark New Jersey on United Airlines 260 266 257 260 267 the...
- Q emphasizing that a product is made in your country are you more likely to buy it less likel buy it or neither more nor less likely to buy it The...
- Q od restaurant 18 8 31 17 present the number of grams of fat in breakfast meals offere a Construct a stem and leaf plot and b describe the shape of...
- Q al survey asked people How often do out for dinner instead of at home The cies were as follows Complete parts a g Response ever arely ometimes ost of the...
- Q e weight chart shown to e right which is in the agazine style of graph ould the information ovided be organized into Die chart Why or y not Metabolism too...
- Q Medal won in race the variable qualitative or quantitative OA The variable is quantitative because it is an attribute charact OB The variable is quantitative because it is a numerical...
- Q 014 1447 8 35557 9 01 egend 110 represents 10 he original set of data is se a comma to separate answers as needed Use ascend
- Q The open ended table category class width is the difference between consecutive lower class limits relative frequency frequenou diets
- Q experiment was conducted in which two fair ce were thrown 100 times The sum of the pips owing on the dice was then recorded The quency histogram to the right...
- Q What does it mean if a statistic is resistant Choose the correct answer below O A Changing particular data values affects its value substantially OB OC Extreme values very large...
- Q top speed in meters per hour of all the players except tenders in a certain soccer league Find a the aber of classes b the class limits for the third...
- Q tion played by the most valuable wer MVP in a certain baseball league the last 84 years Use the chart to wer parts a through d position with the most...
- Q The rankings of songs in the top 100 Choose the correct level of measurement O Nominal O Ordinal O Interval O Ratio
- Q chart below depicts the beverage size ers choose while at a fast food ant Complete parts a through c opular beverage sizes at a restaurant Small 22 Medium 16 Large...
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