8. A travel agent claims that the average number of rooms in hotels in a largecity is 500. At a =hotels are shown.0.05 is the claim realistic? The data for a sample of six713300292311598401618

From the provided information, Sample size (n) = 7 Level of significance (α) = 0.05

Answered: A travel agent claims that the average…

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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In a population of normally distributed scores, = 230 and = 10. Approximately what percentage of random samples of 25 scores would have means with a value in the range 228 to 232? 87 68 31 77
Q.5. Find the median if the mean and mode are given as 35 and 30 respectively?
In the US, 43.9% of all people have type O blood, 40.6% have type A blood, 10.8% have type B blood and 4.7% have type AB blood. A researcher wants to see if the distribution of blood type is different for millionaires. The table below shows the results of a random sample of 3488 millionaires. What can be concluded at the a = 0.05 significance level? a. Complete the table by filling in the expected frequencies. Round to the nearest whole number: Frequencies of Blood Type Outcome Frequency Expected Frequency 1521 A 1427 В 376 АВ 164
The accompanying data represent the miles per gallon of a random sample of cars with a three cylinder 1.0 liter engine
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.)
11. The variance for the weight of a breed of cattle is 256 lb2. The mean is 453 lb. How heavy would the animal have to be to be in the top 16% of the herd? Select one:a. 719 lbs.b. 479 lbs.c. 511 lbs.d. 463 lbs.
The results of a recent poll on the preference of teenagers regarding the types of music they listen to are shown below. Teenagers Favoring This Type Music Type Teenagers Surveyed -0.03 0.05 0.47 Pop Rap 600 700 282 350 Find the point estimate of the difference between the two population proportions. 0-0.5
Consider the following data set: i X 1 -4 23410 5 -2 0 2 4 Y₁ -10.672 -6.428 -2.242 1.946 7.596
Below are numbers of hours that a sample of 18 recent college graduates reported working last week. 55 48 46 64 68 43 37 44 63 54 45 48 52 39 50 51 65 38 Construct a box and whisker plot for the data.
Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y. x 24.2 18.6 17.8 14.9 19.0 17.5 y 13.0 4.6 8.8 1.3 0.8 3.6 Complete parts (a) through (e), given Σx = 112, Σy = 32.1, Σx2 = 2137.7, Σy2 = 282.89, Σxy = 654.37, and r ≈ 0.763. (b) Verify the given sums Σx, Σy, Σx2, Σy2, Σxy, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.) Σx = Σy = Σx2 = Σy2 = Σxy = r = (c) Find x, and y. Then find the equation of the least-squares line = a + bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.) x = y = = + x

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A travel agent claims that the average number of rooms in hotels in a large city is 500. At a = 0.05 is the claim realistic? The data for a sample of six hotels are shown. 713 300 292 311 598 401 618