The table below shows the heights of all fourth-grade students in a particular school, and the frequency of each height. Height 130 131 132 133 134 135 136 137 138 (cm) frequency 2 7 9 20 38 18 12 10 5 1. Is the given set of data approximately normally distributed? Why or why not? 2. What percentage of the students is shorter than 135 cm? (Show your solution) 3. How many fourth-grade students are represented in the data? (Show your solution) 4. What is the mean height of the given set of data? (Show your solution)
The table below shows the heights of all fourth-grade students in a particular school, and the frequency of each height. Height 130 131 132 133 134 135 136 137 138 (cm) frequency 2 7 9 20 38 18 12 10 5 1. Is the given set of data approximately normally distributed? Why or why not? 2. What percentage of the students is shorter than 135 cm? (Show your solution) 3. How many fourth-grade students are represented in the data? (Show your solution) 4. What is the mean height of the given set of data? (Show your solution)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The Principal decided that the top 30% of the class with the highest grades in statistics will be awarded. The scores are rounded off to the nearest hundredths and are approximately
What is the minimum score that a student should have to be awarded? Show your solution and shade the region under the curve that represents the portion of the population involved in the situation.
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