Temperature (°F)35-39Frequency40-443Does the frequency distribution appear to have a normal distribution?Explain.45-491050-541355-5960-6410265-691....Choose the correct answer below.O A. Yes, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is approximately symmetric.O B. No, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is approximately symmetric.O C. Yes, because the frequencies start low, proceed to one or two high frequencies, then increase to a maximum, and the distribution is not symmetric.O D. No, because the frequencies start low, proceed to one or two high frequencies, then decrease to a low frequency, and the distribution is not symmetric.

Given : Temperature (°F) Frequency 35 - 39 1 40 - 44 3 45 - 49 10 50 - 54 13 55 - 59 10…

Answered: Temperature (°F) 35-39 Frequency 40-44…

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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Fundamental Concepts, Organizing and Summarizing Data 1. The following grouped frequency table shows the annual amount of snowfall (in inches) in NYC for the past 135 winter seasons, starting from winter 1869-70. For this scenario, identify the following: Variable b. Individual (Subject) c. Population d. Population size e. Shape of the distribution f. Is this variable discrete or Variable Frequency 0-9.9 10-19.9 a. 38 20-29.9 41 30-39.9 19 40-49.9 15 50-59.9 60-69.9 10 continuous? g. Make a histogram or a bar chart (as appropriate) for this data. 70-79.9 1
Use the given frequency distribution to find the (a) class width. (b) class midpoints. (c) class boundaries. Temperature (°F) Frequency 45-49 1 50-54 3 55-59 5 60-64 11 65-69 7 70-74 7 75-79 1 Question content area bottom Part 1 (a) What is the class width? enter your response here (Type an integer or a decimal.)
K 11:19 The data to the right represent the top speed (in kilometers per hour) of all the players (except goaltenders) in a certain soccer league. Construct (a) a relative frequency distribution (b) a frequency histogram, and (c) a relative frequency histogram. What percentage of players had a top speed between 26 and 29.9 km/h? What percentage of players had a top speed less than 13.9 km/h? (a) Construct a relative frequency distribution. Speed (km/hr) Relative Frequency 10-13.9 14-17.9 18-21.9 22-25.9 26-29.9 30-33.9 (Round to four decimal places as needed.) (b) Choose the correct frequency histogram below. O A. O O A. Frequency O C. Frequency 400- 300- 200+ 100- 0- 10 14 18 22 26 30 34 Speed (km/hr) 400- 300+ 200- 100- 0- 18 22 26 30 34 Speed (km/hr) (c) Choose the correct relative frequency histogram below. 0.6T 0.4+ 0.2- 0- Relative Frequency 10 0.6 0.4+ 0.2- 10 14 0- 10 14 18 22 26 30 34 Speed (km/hr) Relative Frequency 14 OU 18 22 26 30 34 Speed (km/hr) ||| = OB. O O D. OB. D.…
TIT Frequency 26 19 2. Tornado F-Scale he given data represents a frequency distribution of the F-scale intensities of recent tornadoes, Use the equency distribution to construct a frequency polygon. Does the graph suggest that the distribution is skewed? If 5o, how? Construct a frequency polygon using the data. Choose the correct graph below. OB. C. OD. O A. Frequency 30- Frequency 30 Frequency 30- Frequency 30- 0 -1 F-Scale -1 F-Scale F-Scale F-Scale Does the graph suggest that the distribution is skewed? If so, how? O A. The distribution appears to be skewed to both sides. O B. The distribution appears to be skewed to the right (or positively skewed). Click to select your answer. 3:40 PM a 4) 6/4/2021 耳 17 Type here to search hp ins f12 f1o prt sc f6 40 fg fg 144 AAA 米 I01 esc & $4 4 %23 3 5 7. 7 Y 00 R %24
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ab lock The following data represents the age of 30 lottery winners. 1 22 39 40 41 44 45 47 48 59 60 49 54 55 56 61 64 65 70 71 72 74 75 76 77 78 81 Complete the frequency distribution for the data. Age Frequency 20-29 30-39 40-49 50-59 60-69 70-79 esc 29 33 38 38 80-89 Submit Question #T Q A @ 2 *. N W S #3 E 228 $ 4 D R 70 X C % 25 F
embrane Transport Q = 0 F1 O DESCRIPTIVE STATISTICS Constructing a frequency distribution and a histogram Here are the hottest recorded temperatures (in °F) for each of sixteen cities throughout North America. Mail - Abigail J Woodwar... Temperatures (in °F) 111 112 103 107 102 93 100 94 98 108 106 108 101 97 95 103 (a) Complete the grouped frequency distribution for the data. (Note that the class width is 4.) Explanation @ W Temperatures (in °F) 92.5-96.5 S 96.5-100.5 100.5-104.5 104.5-108.5 108.5-112.5 X Check E 80 F3 D Frequency # 234 300 U 0 Ś W Word $ R F4 LL % 5 (b) Construct a histogram for the data. 21 F5 T G Frequency 5. 4- 3. 2 1 0 6 92.5 Document25.docx F6 Y MacBook Air 96.5 H 100.5 104.5 Temperatures (in °F) & 7 F7 U 8 X J DII F8 Content 108.5 © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | 1 S ( 9 112.5 K F9 O b Answ O L F10
← 3:24 The data to the right represent the number of customers waiting for a table at 6:00 P.M. for 40 consecutive Saturdays at Bobak's Restaurant. Complete parts (a) through (h) below. (a) Are these data discrete or continuous? Explain. Frequency (c) Construct a relative frequency distribution of the data. Number of Customers 1-3 4-6 7-9 10-12 13-15 (Type integers or decimals. Do not round.) 1 6 10 15 8 Relative Frequency ||| = 12 O 15 11 14 11 13 14 12 15 13 6 6 8 A. The data are discrete because it was recorded for 40 consecutive Saturdays. B. The data are discrete because there are a finite or countable number of values. The data are continuous because there are a finite or countable number of values. D. The data are continuous because it was recorded for 40 consecutive Saturdays. C. (b) Construct a frequency distribution of the data. Number of Customers 1-3 4-6 7-9 10-12 13-15 13 9 2 | 46 | 2 14% LTE2 7 10 3 6 12 7 7 40 10 8 12 11 10 10 8 6 10 12 4 9 10 9 14 9 12
Use the frequency distribution shown below to construct an expanded frequency distribution. High Temperatures (°F) Class 15-25 26-36 37-47 48-58 59-69 70-80 81-91 Frequency, f 17 43 68 69 74 68 26 Complete the table below. High Temperatures (°F) (Round to the nearest hundredth as needed.) Relative Cumulative Class Frequency, f Midpoint frequency frequency 15-25 17 20 0.05 17 26-36 43 31 0.12 60 37-47 68
USING 8 AS THE LOWER LIMIT OF THE CLASS AND WITH A WIDTH OF 1 UNIT, CONVERT IT TO FREQUENCY DISTRIBUTION
K Consider the distribution of the monthly sales of rain ponchos over a one-year period at a store in Niagara Falls (the distribution will look best if you start from January). Complete parts (a) through (d) below a. How many peaks would you expect for the distribution? OA. There would probably be three peaks, one for the months with low sales, one for the months with average sales, and one for the months with high sales. (OOOD OB. There would probably be many peaks corresponding to the different sales each month. OC. There would probably be no peaks. The monthly sales of products tend to form a uniform distribution OD. There would probably be one peak corresponding to the summer months. b. Make a sketch of the distribution. Choose the correct answer below OA OB. OC. Q M малла GOO r seestore see score see score see score see score 85.17%
Using the frequency distribution below, find the (a) class width (b) boundary of first class. Class Frequency 50-52 53-55 8. 56-58 12 59-61 13 62-64 11 O a. 2, 49.5-52.5 O b. 2, 50-52 O c. 3, 50-52 O d. 3, 49.5-52.5

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