Consider the stem-and-leaf display shown hereStem Leaf4570003611345992248012a How many observations were in the original dataset?b In the bottom row of the stem-and-leaf display, identify the stem, the leaves, and thenumbers in the original data set represented by this stem and its leaves.c. Re-create all the numbers in the data set and construct a dot plot.d. Re-create all the numbers in the data set and construct a histogram...

Hey, since there are multiple subparts posted, we will answer first three question. If you want any…

Answered: Consider the stem-and-leaf display…

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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Find the five-number summary for the following data set. 84 82 85 Min 89 86 90 82 81 82 82 83 80 Add Work Q1 > Next Question Median Q3 Max
The National Assessment of Educational Progress (NAEP) includes a mathematics test for eighth‑grade students. Scores on the test range from 00 to 500.500. Demonstrating the ability to use the mean to solve a problem is an example of the skills and knowledge associated with performance at the Basic level. An example of the knowledge and skills associated with the Proficient level is being able to read and interpret a stem‑and‑leaf plot. In 2019, 147,400147,400 eighth‑graders were in the NAEP sample for the mathematics test. The mean mathematics score was ?⎯⎯⎯=282.x¯=282. We want to estimate the mean score ?μ in the population of all eighth‑graders. Consider the NAEP sample as an SRS from a Normal population with standard deviation ?=40. According to the 9595 part of the 68-95-99.768-95-99.7 rule, 95%95% of all values of ?⎯⎯⎯x¯ fall within how many points on either side of the unknown mean ??μ? Give your answer to four decimal places.
Use the given data to complete parts (a) and (b) below. y 2.2 3.8 4 1.5 2.9 3.7 4.6 4.9 (b) Draw a scatter diagram of the data with the additional data point (10.4,9.3). Choose the correct answer below. OA. OB. Oc. OD 124 12- 12- 12 8- 8- 8- 4- 4.
10. Refer back to the histogram from question #4.(Attatched)a. Compute the mean number of shipping daysc. Write the 5-number summary for this data.d. Create box plot.
draw a histogram that is symmetric but not mound-shaped
Cloud seeding, a process in which chemicals such as silver iodide and frozen carbon dioxide are introduced by aircraft into clouds to promote rainfall was widely used in many years. Recent research has questioned its effectiveness. An experiment as performed by randomly assigning 52 clouds to be seeded or not. The amount of rain generated was then measured in acre-feet. The box plot of the data for the seeded and unseeded clouds are shown in the figure. Which statement best interprets the box plot. Boxplot of Seeded, Unseeded 3000 f 2500어 2000 - 1500 - 1000 - 500- Seeded Unseeded a. Cloud seeding is somewhat effective in promoting rainfall because of the greater mean b. Outliers for both seeded and unseeded data may prove data on the effectiveness of cloud seeding is insufficient c. Extreme outliers are evident in the seeded data and has greater variance O d. There's a greater mean and greater dispersion in the seeded data. Both plots show outliers Data
A County Board of Supervisors has appointed an urban planning committee to evaluate proposed community development projects. The committee is analyzing, among other things, data on household incomes in two cities within the county. They have collected data on the income of 77 households in each of the two cities. The histograms below show the distributions of the two sets of incomes (in thousands of dollars). Each histogram shows household income on the horizontal axis and number of households on the vertical axis. The means and standard deviations for the data sets are also given. City A City B 25+ 20+ 15+ 10+ 5- ← 10 20 30 40 50 60 70 80 90 100 City A mean: 73.96 thousand dollars City A standard deviation: 20.30 thousand dollars Explanation 25- 20- 15- 104 5+ 10 (a) Identify the data set for which it is appropriate to use the Empirical Rule. It is appropriate to use the Empirical Rule for the (Choose one) ▼ data set. 20 30 The committee wants to use the Empirical Rule to make some…
Tornadoes The following data represent the width (inyards) and length (in miles) of tornadoes.Width (yards), w Length (miles), L200 2.5350 4.8180 2.0300 2.5500 5.8400 4.5500 8.0800 8.0100 3.450 0.5700 9.0600 5.7Source: NOAA(a) Draw a scatter diagram of the data, treating width as theindependent variable.(b) What type of relation appears to exist between the widthand the length of tornadoes?(c) Select two points and find a linear model that containsthe points.(d) Graph the line on the scatter diagram drawn in part (b).(e) Use the linear model to predict the length of a tornadothat has a width of 450 yards.(f) Interpret the slope of the line found in part (c).
Create a histogram/frequency polygon, frequency distributuion table, and stem and leaf plot based on the data given (see attached file)
Refer back to the histogram attached. a. Compute the mean number of shipping days b. Compute the median number of shipping days c. Write the 5-number summary for this data. d. Create box plot.
The average weekly incomes, in £s, of 18 selected occupations in the United Kingdom were: 244, 146, 278, 396, 435, 641, 577, 122, 294 357, 802 730, 286, 484, 169,, 559, 208, 498 Draw a box plot to represent these incomes. - UB = - Highest = - Q1 = - Q2 = - Q3 = - Lowest = - LB = Calculate the mean weekly income and the standard deviation.
Consider the GPA of students in class: 1.6,1.7,1.8,1.9,2.4,2.6,2.7,2.8,2.9,3.2,3.3,3.3,3.4,4.0,4.0,4.0,4.0 Construct a stem-and-leaf plot. The leaves corresponding to stem 4 are? What is the rough shape of this data? Please answer both questions

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