Section 6.7.H: Homework
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)Section 6.7: Histograms - Homework Exercises
Draw an ungrouped frequency histogram for the following data set: 15, 17, 17, 17, 17, 19, 20, 20, 21, 22, 22, 22, 23, 24, 24, 24, 24, 24, 24, 25, 26, 26
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A random sample of 15 households was conducted to determine the number of pets per household. The data was found to be:
0, 1, 2, 1, 3, 2, 1, 0, 1, 2, 4, 1, 0, 3, 2
Draw an ungrouped frequency histogram for the data set above.
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The ages (in years) of 25 student's vehicles in a high school parking lot were recorded.
2, 5, 3, 7, 4, 6, 2, 3, 5, 8, 9, 4, 3, 6, 7, 5, 5, 6, 4, 7, 7, 6, 5, 3, 8
Draw an ungrouped frequency histogram for the data set above.
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The monthly electric bills (in dollars) of 24 homes was obtained:
110, 105, 98, 123, 140, 136, 115, 108, 145, 160, 138, 130, 122, 118, 150, 155, 147, 132, 92, 125, 119, 142, 135, 128
Draw a grouped frequency histogram for the data above using a class width of 8 and a starting point of the lowest observation in the data set.
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An environmentalist is conducting a study on car mileage per gallon (MPG) for a fleet of vehicles off an assembly. The MPG of 25 vehicles were as follows:
18, 22, 25, 28, 19, 24, 26, 30, 21, 23, 27, 29, 17, 20, 31, 22, 24, 25, 28, 26, 30, 29, 18, 21, 23
Draw a grouped frequency histogram for the data above using a class width of 3 and a starting point of the lowest observation in the data set.
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The commute times (in minutes) of 40 employees at a major law form in Los Angeles was recorded:
72, 25, 52, 73, 45, 32, 28, 50, 41, 36, 48, 30, 78, 28, 39, 33, 100, 55, 43, 111,
18, 105, 40, 49, 41, 59, 24, 76, 29, 37, 42, 35, 88, 34, 20, 38, 44, 71, 85, 66
Draw a grouped frequency histogram for the above data using a class width of 12 and a starting point of the lowest observation in the data set.
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