The lengths (mm) of twenty leaves of a certain variety of plant in a botanical garden are given as145, 162, 175, 129, 165, 118, 126, 154, 125, 174, 116, 138, 147, 142, 179, 129, 164, 132, 160, 175, 146, 133, 121, 132, and 142.If the width of the class interval is taken as 10, which of the following frequency tables represents the given data?aLength (mm) Number of leaves116–125 4126–135 6136–145 4146–155 3156–165 4166–175 3176–185 1bLength (mm) Number of leaves116–125 6126–135 4136–145 1146–155 3156–165 4166–175 3176–185 4cLength (mm) Number of leaves116–125 4126–135 3136–145 4146–155 6156–165 4166–175 3176–185 1dLength (mm) Number of leaves116–125 1126–135 4136–145 4146–155 3156–165 4166–175 6176–185 3

The lengths of 50 leaves of a plant are measured correct to the nearest millimetre and the data obtained is represented in the following tableFind the mean length of the leavesSelect one:a.137.3b.137c.136.3d.136

What is the frequency of the class 11-20 in the below given data?

The frequency distribution table of heights (in centimeters) of a group of students with a class width of 6 are as follows: 150, 152, 154, 156, 158, 160, 162, 164, 166, 168. What is the lower boundary of the class interval 156-161?Group of answer choices161.5160155.5156.5

The relative humidities, expressed in percentages, of a city over a certain month are listed as follows:74, 92, 78, 70, 84, 75, 91, 78, 96, 87, 95, 79, 82, 89, 72, 92, 70, 75, 82, 83, 87, 90, 93, 85, 80, 78, 74, 76, 79, 82.If the width of the class interval is taken as 5, then which of the following frequency tables represents the given data?aRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 485–89 490–94 595–100 3 bRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 685–89 490–94 595–100 2cRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 485–89 490–94 695–100 3 dRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 485–89 590–94 595–100 2

A lawn care business is reviewing the number of lawns they mowed during the last 14 weeks. The data is asfollows: 41, 36, 20, 28, 30, 24, 24, 31, 22, 34, 25, 27, 27, 25a) Create a frequency table using 20 – 24 as the first interval.b) Draw a histogram of the frequency table.c) Describe the shape of the data set (distribution)