The following histogram shows the exam scores for a Prealgebra class. Use this histogram to answer thequestions.Frequency24-20-1612-84-0+70.5975.5Prealgebra Exam Scores780.5485.5ScoresStep 2 of 5: Find the upper class limit of the fifth class.1290.51995.513100.5

scores Frequency 70.5-75.5 9 75.5-80.5 7 80.5-85.5 4 85.5-90.5 12 90.5-95.5 19…

Answered: The following histogram shows the exam…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In California, they need more rain to sustain the health of the natural environment, state argriculture, and state economy. A group of statistics students in Oxnard College recorded the amount of rain during 2016-2017 school year, measuring the intensity by the inches of rain, and the results were: Daily Rain Amounts Inches of Rain 1 2 3 4 5 6 Frequency 7 6 6 3 2 1 The mean rain intensity: ________inches (Please show your answer to 1 decimal place.) The median rain intensity: _______inches The mode rain intensity: _______inches Please separate your answers by a comma if there is more than one mode.
The NAEP music assessment scores for eighth grade students are approximately N (150, 35). Find the z-scores by standardizing the following scores: 150, 140, 100, 180, and 230. The percentile score is the proportion of students who would score LESS THAN OR EQUAL TO the score for the individual student. Compute the percentile scores for the five scores.
find the mean, median, and range of the set of numbers. Then, use Excel to create a frequency table and a histogram of the test scores. Make sure to label your tables and graphs appropriately A researcher is studying reaction times in mice. The reaction times in milliseconds (ms) for thirty mice are shown below. 66 384 539 578 166 741 874 384 221 178 176 675 275 15 845 397 271 655 681 702 63 823 364 194 755 744 557 776 69 857
A class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).
The following histogram shows the exam score for a pre algebra class use this histogram to answer the questions. Find the number of students that took this exam.
A histogram titled "20 Busiest North American Airports" has a horizontal axis labeled "Total Passengers (Millions)" and a vertical axis labeled "Frequency" with values from 0 to 10. The histogram has 8 bars. Each bar is associated with a label and an approximate value as listed below. Frequency 10 O 0 7 02 8 3 30-39.9 20 Busiest North American Airports 40-49.9 50-59.9 Total Passengers (Millions) What is the lowest frequency value? 60-69.9 70-79.9 80-89.9 90-99.9 100-109.9
Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows. # of movies Frequency Relative Frequency Cumulative Relative Frequency 0 5 1 9 2 6 3 4 4 1 Table 2.67 Construct a histogram of the data. Complete the columns of the chart.
Fifty randomly selected car salespersons were asked the number of cars they generally sell in one week. Nine people answered that they generally sell three cars; thirteen generally sell four cars; ten generally sell five cars; seven generally sell six cars; eleven generally sell seven cars. Complete the table. Data Value (# cars) Frequency Relative Frequency Cumulative Relative Frequency 3 4 6. 7
Jessica counts how many customers have come into her restaurant for the past 30 days. The table below shows the number of customers per day. 135 137 136 137 138 139 140 139 137 140 142 146 148 145 139 140 142 143 144 143 141 139 137 138 139 136 133 134 132 132 She would like you to create a histogram for her starting at 130 with a bin width of 5. Which bar is the tallest? The first bar The second bar The third bar The fourth bar
7. Describe the shape of your data set by looking at the histogram. In your histogram how many classes are there? What is the class width?
Find the mean and median from the frequency table below.If necessary, round your answer to 2 decimal places. data frequency 29 4 30 5 32 2 35 3 36 16 Mean= Median=
The histogram displays the number of 2008 births among U.S. women ages 10 to 50 . Each bin represents an interval of two years, and the height of each bin represents the frequency with which the data fall within that interval. A histogram for the number of births by mother’s age for 2008. Height of 62 for ages 14 to 16, height of 202 for ages 16 to 18, height of 369 for ages 18 to 20, height of 415 for ages 20 to 22, height of 441 for ages 22 to 24, height of 470 for ages 24 to 26, height of 487 for ages 26 to 28, height of 460 for ages 28 to 30, height of 403 for ages 30 to 32, height of 326 for ages 32 to 34, height of 252 for ages 34 to 36, height of 177 for ages 36 to 38, height of 99 for ages 38 to 40, height of 46 for ages 40 to 42, height of 17 for ages 42 to 44, and height of 4 for ages 44 to 46. Use the provided histogram to answer questions about the number of births for each age group. How many births occurred among women over the age of 38 ? number of births:What percentage…

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The following histogram shows the exam scores for a Prealgebra class. Use this histogram to answer the questions. Frequency 24 20- 16- 12 8- 4- 0+ 70.5 9 75.5 Prealgebra Exam Scores 7 80.5 4 85.5 Scores Step 2 of 5: Find the upper class limit of the fifth class. 12 90.5 19 95.5 13 100.5