Statistics: Informed Decisions Using Data (5th Edition)

Chapter 2

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Raw data is the original data that is yet to be ... more

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Number ; In a frequency distribution, data is ... more

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1 ; The relative frequency distribution represents... more

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A bar graph represents the frequency of categories... more

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Gender:117 females and 82 males: ; In the given ... more

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Cell phone:One female does not have a cell phone ... more

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When there is a difference in the size of two data... more

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Descending or ascending order:No: ; Arranging the ... more

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When comparison between two specific values is ... more

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NoThe sum of percentages is greater than . ; The ... more

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Classes ; The raw data is categorized into classes... more

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Lower ; Each class includes a range of values.Each... more

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Class width ; The continuous data is organized in ... more

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The distribution has a longer tail on the left ... more

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The frequency distribution for the data is ... more

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The stem and leaf plots are not suitable for a ... more

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The histogram depicts a right-skewed distribution ... more

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In a uniform distribution, all the values of the ... more

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10, 11, 14, 21, 24, 24, 27, 29, 33, 35, 35, 35, 37... more

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240, 244, 247, 252, 252, 253, 259, 259, 263, 264, ... more

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1.2, 1.4, 1.6, 2.1, 2.4, 2.7, 2.7, 2.9, 3.3, 3.3, ... more

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12.3, 12.7, 12.9, 12.9, 13.0, 13.4, 13.5, 13.7, 13... more

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S (km/hr)Relative frequency ; Compute the total ... more

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MRelative frequency ; Compute the total frequency ... more

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Age ; From the given data, choose continuous ... more

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The data is negatively skewed ; Construct the ... more

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The gender-F individuals like larger families as ... more

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; The horizontal axis represents the number of ... more

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; The horizontal axis represents the number of Cs... more

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Histogram is preferredThe data is skewed to the ... more

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Variable A: Histogram or stem and leaf ... more

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To avoid the uncertainty, such as, to which class ... more

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Advantages:Histograms are useful in representing ... more

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NoNoClass width should be chosen such that it is ... more

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It is preferable when the two data sets with ... more

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YesUnequal class widths could affect the shape of ... more

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A histogram is skewed right if the maximum number ... more

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An ogive is a graph used to represent the ... more

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Time-series data represents the values of ... more

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The upper limit of  class intervals is represented... more

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The frequencies of classes are plotted above the ... more

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The graph shows a decreasing trend. ; The time ... more

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The graph indicates an increasing trend. ; The ... more

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The increase in unprovoked attacks of water animal... more

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Frequency polygons Frequency polygons are more ... more

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The last class of the cumulative frequency is the ... more

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Quantitative variablesThe trend of the data is ... more

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The heights of the bars are not proportional. ; ... more

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The bar 12p-6p represents a relatively larger time... more

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The bars do not represent the same number of years... more

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Horizontal axes do not show the name of states. ; ... more

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NoThe initial point of the -axis is not 0.The ... more

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The three dimensional pie chart shows some ... more

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There are gaps between the bars. ; The graph ... more

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The distribution is skewed to the right. ; Plot ... more

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Uniform distribution ; Construct the stem and leaf... more

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Both the curves follow similar movement. Whenever ... more

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YesIt is not clear whether the information is ... more

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Determine the satisfaction level of students for ... more

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; Use CAS to compute the statistical summary of ... more

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Results from the tabular summary:Question no.No. ... more

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Misleading graphs:Question no.No. of students who ... more

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The frequency of F-3, F-4, and F-5 disaster ... more

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; The histogram represents the distribution of ... more

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YesPositive ; The histograms represent the ... more

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Yes ; Calculate the total deaths during the T ... more

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  The data is insufficient to conclude whether Ts ... more

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The outbreak on April 3-4 ,1974 looks more drastic... more

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