Data was collected for 40 randomly selected trees growing in the median strip of a busy freeway. Theheight of each tree (in inches) was recorded. Data was recorded to the nearest whole inch. The data issummarized in the histogram below.Frequency1086425 30 35 40 45 50 55 60 65height (in)What is the minimum possible tree height for the data recorded for this histogram? Note: Each classcontains its lower class boundary, but not its upper class boundary.minimum =

Determine the minimum possible tree height for the given histogram. The minimum possible tree…

Answered: Data was collected for 40 randomly…

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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when data are classified using the following format: under 20, 20-<30, 30- <40 etc then the data must be?
If number of observations are an even number, median is a. (N+1)/2 th Item b. (N-1)/2th Item C. Average of two middle values d. N/2th Item
Below are the times (in days) it takes for a sample of 14 customers from Andrew's computer store to pay their invoices. 19, 15, 43, 39, 35, 31, 42, 42, 42, 38, 38, 38, 34, 34 Send data to calculator Draw the histogram for these data using an initial class boundary of 14.5, an ending class boundary of 50.5, and 4 classes of equal width. Note that you can add or remove classes from the figure. Label each class with its endpoints. Frequency 8+ 7+ 6+ 5+ 4+ 3- 2- ? Time (in days)
Use the frequency histogram to complete the following parts. (a) Determine the number of classes. (b) Estimate the greatest and least frequencies. (c) Determine the class width. (d) Describe any patterns with the data. (a) There are classes. (Type a whole number.) (b) The least frequency is about (Round to the nearest whole number as needed.) The greatest frequency is about (Round to the nearest whole number as needed.) (c) The class width is (Type an integer or a decimal. Do not round.) (d) What pattern does the histogram show? A. About half of the employees' salaries are between $70,000 and $89,000. B. Less than half of the employees make between $40,000 and $89,000. OC. About half of the employees' salaries are between $50,000 and $69,000. O D. Most employees make less than $39,000 or more than $90,000.
Consider the following data:17 62 15 6528 51 24 6539 41 35 1539 32 36 3740 21 44 3759 13 44 5612 54 64 59a. Construct a frequency distribution.b. Construct a histogram.c. Construct an ogive.d. Construct a stem-and-leaf display.
NOTE: USE tables as shown in your lecture to answer these questions. Q1: Make a frequency table for a group of 34 data, which are listed below. (use three subintervals) 7,5, 4, 10, 5, 7, 2, 6, 8, 1, 5, 1, 3, 1, 12, 11, 2, 11, 2, 5, 0, 6, 14, 8, 3, 1, 15, 10, 0, 2, 0, 15, 9, 1 Include in the table the following Subinterval, Mid-Point, Frequency, Cumulative frequency
The following data in the attached picture/image shows the scores of each team in a competition for a sportive game. d) Calculate the relative frequency (proportion) of each class. e) Draw frequency histogram. (For a frequency histogram: draw a rectangle for each class with the class interval as the base and the height equal to the frequency of the class.) f) Draw relative frequency histogram. (For a relative frequency histogram, draw a rectangle for each class with the class interval as the base and the height equal to the relative frequency of the class. g) Draw density histogram.(For a density histogram, draw a rectangle for each class with the class interval as the base and the height equal to h(x) = fi/(n(Ci-Ci-1)). For more information and a clear description of the questions above, kindly refer to the attached picture. (Kindly answer only questions d, e, f, g, and h)
A survey regarding the heights ( in cm) of 51 girls of class X of a school was conducted and the following data were obtained: Height (In cm) Number of girls 140 4 145 11 150 29 155 40 160 46 165 51 Find the Median height.
In a class of 100 graduating students, 54 studied Physics, 69 studied Biology and 35 studied both Physics and Biology. Based on above information, make a venn diagram. Based on above information, create a table to distinguish above data.
Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits. minimum = 7, maximum = 70, 6 classes. The class width is Choose the correct lower class limits below. OA. 18, 28, 40, 51, 62, 72 OB. 7, 18, 29, 40, 51, 62 OC. 7, 17, 29, 39, 50, 62 OD. 17, 28, 40, 50, 61, 72 Choose the correct upper class limits below. OA. 18, 29, 39, 50, 62, 72 OB. 18, 29, 40, 51, 62, 72 C. 17, 28, 40, 51, 61, 72 OD. 17, 28, 39, 50, 61, 72
The 2008 election was a race in which Barack Obama defeated John McCain and other candidates, receiving 53% of the popular vote. The popular vote (in thousands) for Barack Obama in each of the 50 states is listed below: Please see the attachment for details: a. By just looking at the table, what shape do you think the data istribution for the popular vote by state will have?b. Draw a relative frequency histogram to describe the distribution of the popular vote for President Obama in the 50 states.c. Did the histogram in part b confirm your guess in part a? Are there any outliers? How can you explain them?
Use the following raw data to complete the following. Show how all computations were made by writing formulas and writing which numbers were used in those formulas. 5 9 7 3 1. Arrange the data in order (create a data array) and find the mean, median, mode, midrange, and range: 3- Mean: Totals: 8 4 4 5 Median: Frequency, f n = Σf = 7 4 7 8 Range: 2. Find the class width for a frequency distribution using 4 classes. Then completing the table below. Class Class Class limits boundaries midpoints, Xm 6 5 5 4 3 8 7 9 Mode: Σf.Xm = f.Xm X² Midrange: f.Xm Σf. X =

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