solved Test ContentQuestion 12 PointsFind the class with the greatest number

Test ContentQuestion 12 PointsFind the class with the greatest number of data values. 55-6565-7575-8585-95Question 22 PointsWhat is the midpoint of the class 15–20 ?1.516.5317.5Question 32 PointsWhat is the midpoint of the class 7-11 ?9.5954Question 42 PointsGreg wants to construct a frequency distribution for the political affiliation of the employees at Owen’s Hardware Store. What type of distribution would be best?ungroupedgroupedcategoricalcumulativeQuestion 52 PointsThirty students recorded the colors of their eyes, choosing from the colors brown, blue, green, hazel, and black. This data can be appropriately summarized in a(n)______________ .open-ended distributioncategorical frequency distributiongrouped frequency distributionupper boundaryQuestion 62 PointsWhich of the following pairs of class limits would be appropriate for grouping the numbers 10, 13, 8, and 15 ?7-11 and 11-158-10 and 13-158-10 and 11-158-11 and 12-15Question 72 PointsFor the class 7 – 20, the upper class limit is6.572020.5Question 82 PointsFor the class 16.3–23.8, the width is 8.5.TrueFalseQuestion 92 PointsWhat are the boundaries of the class 12-16?11.5 and 16.510 and 1812 and 164Question 102 PointsWhich of the following does not need to be done when constructing a frequency distribution?select the number of classes desiredfind the rangemake the class width an even numberuse classes that are mutually exclusiveQuestion 112 PointsA histogram is a graph that represents the cumulative frequencies for the classes in a frequency distribution.TrueFalseQuestion 122 PointsFor a given data set, the ogive and the frequency polygon will have the same overall shape.TrueFalseQuestion 132 PointsWhich of the following is a histogram?Question 142 PointsHow many values are in the data set whose histogram is shown below ? 6227672Question 152 PointsThe frequency polygon is a graph that displays the data by using lines that connect points plotted for the frequencies at the midpoints of the classes.TrueFalseQuestion 162 PointsWhich of the following is a frequency polygon?Question 172 PointsThe frequency polygon and the histogram are two different ways to represent the same data set.TrueFalseQuestion 182 PointsA time series graph is useful for which of the following purposes?representing relative frequencies of categories at a specific timerepresenting the cumulative frequencies of the data at a specific timerepresenting the frequencies of the data, sorted from largest to smallestrepresenting the changing frequencies of a data category over a period timeQuestion 192 PointsWhich graph should be used to represent the frequencies with which certain courses are taken at Highlands Middle School?Pareto charttime series graphpie graphpictographQuestion 202 PointsWhen making Pareto charts, data should be arranged ________________________ according to frequency.from smallest to largestwith increasing timefrom largest to smallestclockwiseQuestion 212 PointsWhat type of graph is the figure below? Pareto chartpictographogivepie graphQuestion 222 PointsA weatherman records the amount of rain that fell in Portland, Oregon each day for a year. What type of graph should he use to show how rainfall changes during the year ?pie graphpictographtime series graphPareto chartQuestion 232 PointsIf a data set showing types of pizza ordered at a particular restaurant indicates 24 out of 72 orders were for pepperoni pizza, how many degrees would be needed to represent pepperoni pizza in a pie chart?90°120°60°150°Question 242 PointsThe two variables in a scatter plot are called theindependent variable and dependent variable.relative frequency and relative proportion.spread and pattern.lines and points.Question 252 PointsDetermine the type of relationship shown in the figure below. positivenegativemultipleThere is no relationship.Question 262 PointsWhat is the median of the following set of values? 6, 20, 18, 14, 18, 13, 14, 1812161418Question 272 PointsFind the mode for the following data? 5, 4, 3, 4, 5, 6, 5, 5, 3, 43456Question 282 PointsThe number of police officers in selected city districts is listed below. Find the mode. 24, 26, 24, 30, 23, 28, 19, 31, 24, 26, 1923242628Question 292 PointsA weighted mean is used when the values of the data set are not all equally represented.TrueFalseQuestion 302 PointsWhat is the mode of the following data set? 8, 22, 20, 16, 20, 18, 1514181620Question 312 PointsFind the mean of the following data set? 8, 3, 6, 1, 123.05.06.07.0Question 322 PointsFind the mean of the following set of values.–1, 6, 4, 2, 4Blank 1Blank 1Question 332 PointsIf a distribution is negatively skewed as shown in the figure below, the mean will fall to the right of the median and the mode will fall to the left of the median. TrueFalseQuestion 342 PointsIf a data set has 9 values and a standard deviation 9.4, then the variance is ________.88.43.129.528.2Question 352 PointsGiven that the mean of a set of data is 25 and the standard deviation is 3, what is the coefficient of variation?0.1212%8.33833%Question 362 PointsThe variance of a data set is the square root of the standard deviation.TrueFalseQuestion 372 PointsFind the range of the set of values 4, 15, 3, 10, and 5.315912Question 382 PointsWhat is the range of the set of values 4, 6, 2, 7, and 15.461713Question 392 PointsThe grades for the trigonometry exam are listed below. Find the range. 85, 76, 93, 82, 84, 90, 757691118Question 402 PointsFor a set of data with a mean of 30 and a variance of 25, approximately 68% of the values will fall between 25 to 35.TrueFalseQuestion 412 PointsGiven that the variance for a data set is 1.20, what is the standard deviation?1.101.441.200.60Question 422 PointsIf a student scored 78 points on a test where the mean score was 84.5 and the standard deviation was 3.1. The student’s z score is ________.27.260.68–0.68–2.10Question 432 PointsThe percentile corresponding to a given data value X is computed by adding the 0.5 to number of values less than X then dividing by the total number of values in the data set.TrueFalseQuestion 442 PointsIndicate which student has the higher z score. Art Major Theater Major The art major has a higher score than the theater major.The theater major has a higher score than the art major.Both students have the same score.Neither student received a positive score; therefore, the higher score cannot be determined.Question 452 PointsA baseball player has a batting average of 0.325 each week of the season, with a standard deviation of 0.065. What is the z score when he bats 0.410 one week?1.3080.4100.3251.275Question 462 Points______________ divide a distribution into four groups, and __________divide a distribution into ten groups.Blank 1Blank 1Question 472 PointsIdentify the five-number summary of the following data set. 7, 11, 21, 28, 32, 33, 37, 43.7, 16, 30, 35, 437, 21, 30, 33, 437, 11, 28, 33, 437, 21, 26.5, 33, 43 Question 482 PointsFind the 3 quartiels in the following data set: 88 89 94 97 98 100 99Q1= 87; Q2=97; Q3= 100Q1= 89; Q2=97; Q3= 99Q1= 88; Q2=97; Q3= 98Q1= 89.5; Q2=97.5; Q3= 99.5Question 492 PointsDetermine the mean and the median of the following data set: 56 56 57 60 59 60 62 61 Mean=52.9; Median=60Mean=60.0; Median=58.5Mean=59.3; Median=59.5Mean=57.3; Median=60Question 502 PointsDetermine the mean and the median of the following data set: 27 21 27 30 31 35 32 Mean=29.0; Median=30Mean=29.0; Median=30Mean=28.5; Median=33Mean=30.0; Median=29