not use ai please don't Question 8<>You are examining a data set with a condensed stem-and-leaf plot. (Hint: Look at the plotcarefully...why are there non-number symbols in each row of leaves?) The plot is presented below.76-77 | 002*57978-79 | 17*001347880-81*26882-83 | 44*84-85 39*2386-87 | 5*05988-89 | 6*690-91 |192-93 *4What is the minimum value in this data set?min =What is the maximum value in this data set?max=How many data values are in the penultimate class?ans =How many data values are in this data set?n =Question Help: O Post to forum0/10 pts 3 29

MinimumMinimum value is the lowest value. This is located at the 1st row (76-77). The lowest value…

Answered: Question 8 < > You are examining a data…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter9: Solving Quadratic Functions

Section: Chapter Questions

Problem 4CA

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The boxplot shown below results from the heights (cm) of males listed in a data set. What do the numbers in that boxplot tell us? 151 172.5 192 168.5 182.6 A boxplot consists of a box that extends from 168.5 to 182.6, a vertical line segment drawn through the box at 172.5, and a horizontal line segment extending from a vertical line segment at 151 to a vertical line segment at 192 that bisects the box. Question content area bottom Part 1 The minimum height is enter your response here cm, the first quartile Q1 is enter your response here cm, the second quartile Q2 (or the median) is enter your response here cm, the third quartile Q3 is enter your response here cm, and the maximum height is enter your response here cm. (Type integers or decimals. Do not round.)
5. Is the data set {(2, 6),(2, 7), (2, 8), (2, 9)} that of a function? Explain why or why not. CED 6360
13. Please answer this question ASAP. Please circle all answers, please be organized.
Example 2 Find the median height from the following heights of 8 students. Height (cms): 59, 60, 72, 53, 42, 45, 49, 71.
These dot plots show the weights (in kilograms) from a sample of leopards and tigers. Leopards 20 40 60 80 100 120 140 160 180 200 220 Welah Ikal
A company’s raw data sample of weekly salaries (in dollars) is shown below. 210 370 530 370 740 530 370 530 210 370 1140 210 A frequency distribution of this data set, based on a single-value grouping, is presented below with a third column showing the xf-values—the class midpoint (which here is the same as the class) times the class frequency. Salary(x) Frequency(f) Salary*Frequency(xf) 210 3 630 370 4 1480 530 3 1590 740 1 740 1140 1 1140 (i). Use the raw data to obtain the sample standard deviation of the ungrouped data. Round your answer to two decimal places. (ii) Use the grouped-data formula to obtain the sample standard deviation of the grouped data in the frequency distribution. Round your answer to two decimal places (iii).Compare your answers in parts (i) and (ii).
1. Which stem-and-leaf plot matches this data? 44, 68, 57, 52, 48, 48, 68, 58, 46, 78, 65, 57, 46, 59, 53, 76, 79, 74, 55, 66 A 4 5 6 7 C 4 5 6 7 11135689 05668 02559 12 57789 3349 156789 22468 O A. plot A OB. plot B OC. plot C OD. plot D B 4 23799 5 6 7 D 4 567 237 3345 00122337 46688 2357789 5688 4689
2 The table shows the total number of trade apprenticeships in Canada each year from 1991 to 1997 a) Consider the year 1991 as year #0. Create a scatter plot of the data on the next page using the DESMOS graphing calculator. Year apprenticeships 1991 1992,945 1992 180,965 1993 168,985 1994 163,750 163,370 165,325 1995 1996 1997 171,180 b) From the scatter plot, which model appears most appropriate: linear, quadratic, exponential. Give reason for your answer c) Generate a model for the data (line/curve of best fit) using regression. Write the equation of the model that best fits the data. d) Use the model to predict when apprenticeships will return to 1991 levels. 2.
The air pollution, measured by the Air Quality Index (AQI), of the 20 most populated cities in large developed countries were measured by research students. The data collected for Japan is shown in the following box-and-whisker diagram. 70 80 90 H 100 110 120 130 140 150 Air Quality Index (AQI) (a) State what 78 represents in the diagram for Japan. (b) (i) Write down the interquartile range for this Japanese data. (ii) Write down the approximate number of Japanese cities whose AQI ranges from 78 to 86. The data for Germany and Italy are shown in the following box-and-whisker diagrams.
ne S D Question 5 Find the original data from the stem-and-leaf plot. Stem Leaves 40 178 41 148 42 18 401, 407, 418, 411, 414, 418, 421, 438 O 401, 407, 408, 411, 414, 418, 421, 428 40178, 41148, 4218 O 41, 47, 48, 42, 45, 49, 43, 50
Students in a large lecture class want to know who has, on average, more Facebook friends, male or female students. The data for the students are displayed in the provided dotplots and summary statistics are available in the provided table. Gender -40.62 to 166.22 -38.75 to 164.35 -33.95 to 159.55 -22.43 to 148.03 M 0 300 Gender n X S Male 68 678.9 317.6 Female 91 616.1 330.6 600 900 1200 1500 1800 2100 Number of Facebook Friends Construct a 95% confidence interval for the difference in mean number of Facebook friends for male and female students at this university. Use two decimal places in your margin of error.
The 2008 General Social Survey asked a nationally representative sample of 1324 adult Americans to report how many hours of television they watch in a typical day. The resulting data are reported in the following table of counts: a. According to the (n+1)/2 rule, the median value falls at what location? The median value falls mid-way between value ____ and ____ in the data set.

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