Question TI Not yet answered Points out of 1.00 l" Flag question Referring to this box plot of ice cream fat content, the mean would exceed the median l:l:l 0 10 2D 30 40 50 60 70 80 Fat Content (percent) Select one: Question 12 Not yet answered Points out of 1 .00 \\V Flag question The range as a measure of variability is very sensitive to extreme data values. Select one: Question 13 Not yet answered Points out of 1.00 Flag question Outliers are data values that fall beyond 12 standard deviations from the mean. Select one: O True O False Question 14 Not yet answered Points out of 1.00 Flag question The Excel formula for the standard deviation of a sample array named Data is: Select one: Oa. =STDEV.S(Data) Ob. =STANDEV(Data) Oc. =STDEV.P(Data) Od. =SUM(Data)/(COUNT(Data)-1)Question 15 Not yet answered Points out of 1.00 1,? Flag question Consider the following data: 6, 7, 17, 51,3, 17, 23, and 69. The range and the median are Select one: 0a. 69 and 17.5 Ob. 66 and17.5 Oc. 66and17 Cd. 69 and 17 Question 16 Not yet answered Points out of 1.00 1' Flag question The shows the relationship between two variables. Select one: Oa. box plot Ob. bar chart Oc. histogram Od. scatter plot Question 1'7 Not yet answered Points out of 1 .00 1" Flag question The median of 600, 800, 1000, 1200 is: Select one: ()a. 800 Ob. 1000 ()c. 900 ()d. 950 Question 18 Not yet answered Points out of 1.00 17 Flag question Based on daily measurements, Bob's weight has a mean of 200 pounds with a standard deviation of 16 pounds, while Mary's weight has a mean of 125 pounds with a standard deviation of 15 pounds. Who has the smaller relative variation? Select one: Oa. Bob Ob. Mary Oc. They are the same. Question 19 Not yet answered Points out of 1.00 P Flag question The 25th percentile for waiting time in a doctor's office is 19 minutes. The 75th percentile is 31 minutes. The interquartile range is Select one: 0a. 12 minutes. Ob. 16 minutes. 0c. 22 minutes. Question 20 Not yet answered Points out of 1.00 Flag question Find the standard deviation of this sample: 4, 7, 9, 12, 15 Select one: Oa. 4.550 Ob. 3.798 Oc. 4.278 Od. 2.997Question 21 Not yet answered Points out of 1 .00 '1' Flag question Find the sample correlation coefficient for the following data. (Use Excel formula =CORREL) X Y Select one: 0a. .8911 Ob. .9132 0c. .9822 0d. .9556 Question 22 Not yet answered Points out of 1.00 V Flag question Variables Xand Yhave the strongest correlation in which scatter plot? Select one: 0a. Figure A. Ob. Figure B. Oc. They are about the same. Question 23 Not yet answered Points out of 1.00 1' Flag question Use Excel to prepare a line chart to display the following gasoline price data. Modify the default colors, fonts, etc. to make the display effective. Average U.S. Retail Price of Gasoline (dollars per gallon) Year Pn'ce Year Price 1960 0.31 1990 1.16 1965 0.31 1995 1.15 1970 0.36 2000 1.51 1975 0.57 2005 2.30 1980 1.25 2010 3.02 1985 1.20 Question 24 Not yet answered Points out of 1.00 Flag question Use Excel to prepare a 2-D pie chart for these web-surfind data. Modify the default colors, fonts, etc., as you judge appropriate to make the display effective. Are You Concerned About Being Tracked While Web Surfing? Level of Concern Percent Very concerned 68 Somewhat concerned 23 Not very concerned 9 Total 100Information 'l' Flag question Use the following chart to answer Questions 2527. Selling Price Selling Price Square Feet (Thousands) Square Feet (Thousands) 3,570 861 3,460 737 3,410 740 3,340 806 2,690 563 3,240 809 3,260 698 2,660 639 3,130 624 3,160 778 3,460 737 3,310 760 3,340 806 2,930 729 3,240 809 3,020 720 2,660 639 2,320 575 3,160 778 3,130 785 Question 25 Not yet answered Points out of 1.00 i' Flag question (a) Make a scatter plot of the above data on X: home size and Y: selling price (thousands of dollars) for new homes (n = 20) in a suburbs of an eastern city. Question 26 Not yet answered Points out of 1.00 Flag question (b) Find the sample correlation coefficient. 1 A v B I S'S Question 27 Not yet answered Points out of 1.00 Flag question (c) Is there a linear relationship between X and Y? If so, describe it. Note: Use ExcelQuestion 3 Not yet answered Points out of 1.00 i7 Flag question A column chart can sometimes be used instead of a line chart for time series data. Select one: Question 4 Not yet answered Points out of 1.00 i? Flag question Scatter plots are used to visualize association in samples of paired data (X, Y). Select one: Question 5 Not yet answered Points out of 1.00 Flag question A line chart would not be suitable to display which data? Select one: Oa. U.S. oil imports from OPEC nations for the last 20 years Ob. Annual compensation of the top 50 CEOs Oc. Exxon-Mobil's quarterly sales data for the last five years Od. Daily stock market closing prices of Microsoft for the past monthQuestion 6 Not yet answered Points out of 1 .00 \"F Flag question Which is a characteristic ofa histogram's bars? Select one: Oa. The bar widths reveal the cumulative frequencies of data values. Ob. The bar widths indicate class intervals and their areas indicate frequencies. Oc. The bar widths show class intervals and their heights indicate frequencies. Od. The bar widths are an exact multiple of the sample size. Question '7 Not yet answered Points out of 1.00 l? Flag question lfyou have 256 data points, how many classes (bins) would Stu rges' Rule suggest? Select one: Ca. 6 A population has 75 observations. One class interval has a frequency of 15 observations. The relative frequency in this category is: Select one: 0a. 0.2 Ob. 0.1 0C. 0.15 0d. 0.75 Question 9 Not yet answered Points out of 1.00 l' Flag question The second quartile is the same as the median. Select one: Question 10 Not yet answered Points out of 1.00 l' Flag question When data are rightskewed, we expect the median to be c than the mean. m