Temperature (°F)Frequency45-4950-54Does the frequency distribution appear to have a normal distribution using astrict interpretation of the relevant criteria?55-5960-6465-6970-7475-79Does the frequency distribution appear to have a normal distribution?O A. Yes, all the requirements are met.O B. No, the frequencies do not decrease from the maximum frequency to a low frequency.O C. No, the distribution does not appear to be normal.30657or

The data shows the temperature with their frequencies.

Answered: Temperature (°F) Frequency 45-49 3…

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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7) both images are the same question
Section 5.1: Normal Distributions X~ N(center, st.dev.) Example 1: Find the specified areas for a standard normal density. The area below z = 0.8 The area above = 1.2 c. The area between z = -1 and z = 2
Qn 15 use z table no excel
1 (Dot Diagram) The table shows the time taken, in minutes, for 12 employees of a company to travel from their homes to the office. ied ple of 'datum'. 20 22 21 21 18 18 TH sh 30 20 22 23 22 20 Fa V. (i) Represent the data on a dot diagram. (ii) Briefly describe the distribution of the data.
The frequency distribution below represents frequencies of actual low temperatures recorded during the course of a 31-day month. Use the frequency distribution to construct a histogram. Do the data appear to have a distribution that is approximately normal? Class A 39-44 B 45-50 C 51-56 D 57-62 E 63-68 F 69-74 G 75-80 Frequency 1 MONOIN 3 6 12 6 1 2 CH Choose the correct histogram below. A. 10- ABCDEFG 10- ABCDEFG B. 10- 10- 0₁ OF CO ABCDEFG h ABCDEFG Do the data appear to have a distribution that is approximately normal? A. No, it is not at all symmetric. B. No, it is completely erratic. C. Yes, it is approximately normal. D. No, it is approximately uniform.
Range (and Approximation to Standard Deviation) Find the range for each of the following data sets a) (n= 6), M = 2.5 118, 127, 97, 152, 141, 104 b) (n= 10), M = 3 49, 53, 60, 60, 62, 63, 64, 69, 73, 87 c) (n= 28), M = 4 294, 276, 315, 341, 286, 254, 365, 333, 284, 295, 308, 317, 328, 342 251, 284, 295, 302, 319, 327, 372, 351, 274, 314, 335, 287, 291, 353 The standard deviation can be (simply) approximated by the followin simple formula where n varies depending on the size of the data set, as given in the following table. data points divisor n=4 M=2 n=6 M=2.5 n=10 M=3 n=28 M=4 n=50 M=4.5
number 29 only
85-b
number 24 only
USING 8 AS THE LOWER LIMIT OF THE CLASS AND WITH A WIDTH OF 1 UNIT, CONVERT IT TO FREQUENCY DISTRIBUTION
6. Interval estimation when o is unknown (the data “Alcohol" is provided) Consumption of alcoholic beverages by young women of drinking age has been increas- ing in the United Kingdom, the United States, and Europe (The Wall Street Journal, Feb- ruary 15, 2006). Data (annual consumption in liters) consistent with the findings reported in The Wall Street Journal article are shown for a sample of 20 European young women. 266 82 199 174 97 170 222 115 130 169 164 102 113 171 93 93 110 130 Assuming the population is roughly symmetric, construct a 95% confidence interval for the mean annual consumption of alcoholic beverages by European young women.
Data Set 37, “Cola, Weights and Volumes” in Appendix B includes volumes (ounces) of a sample ofcans of regular Coke. The summary statistics are n = 36, ? = 12.19??, ??? ? = 0.11 oz. Use a 0.05significance level to test the claim that cans of Coke have a mean volume of 12.00 ounces. Does it appearthat consumers are being cheated? 1 Calculator Justification 2 **Label where your Test Statistic falls on the bell curve 3 Decision and Conclusion

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