The manager at a hospital claims the median number of patients seen is 80 per day. A sampleof 20 days was used and recorded below.8286721058595848093898886Using the sign test, at a-0.05, test claim.The correct CV is8174818180628387

Claim: The median number of patients seen is 80 per day.Sample size Significance level

Answered: The manager at a hospital claims the…

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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This is a Statistics problem. Please code in R.
A number of attendees at a sporting event were asked their age. The results are depicted in the histogram below. According to the histogram, what percentage of individu- als surveyed are older than 14 but younger than 20? 30 25 25 20 18 15 12 10-14 15-19 20-24 25-29 20
Help, please.
A study was conducted to examine the impact of speaking in public on college students. A class of 15 statistics students participated in the study. At the beginning of a lecture the students recorded their systolic blood pressure. During the lecture the instructor called on each student to stand and answer questions about topics in the lecture. After speaking the students once again recorded their blood pressure. The resulting values are given below along with summary statistics. before 107 123 128 125 136 108 130 113 105 136 146 138 108 149 132 after 141 142 146 136 144 111 132 114 103 133 140 130 100 133 113 difference -34 -19 -18 -11 -8 -3 -2 -1 2 3 6 8 8 16 19 before after difference mean 125.6 127.9 -2.267 st dev 14.53 15.45 14.03 Does this information indicate that blood pressure increased because of speaking? Conduct an appropriate hypothesis test and show appropriate steps. Let μ1 mean systolic blood pressure before speaking in public, and μ2 mean…
The median for the data 42.3, 8.9, 1.1, 33.7, 24.2, 11.2, 19.1 is O 1.1 O 24.2 O 8.9 19.1 O 33.7
In the formula for t, the "hypothesized value" is what you expect the t to be. the difference between population means. the significance level.
Given the following data set that presents 30 test scores on an exam, find the position of median. State your result/answer as a value with exactly one digit after the decimal 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56, 59, 58, 61, 60, 63, 62, 65.4, 64, 67.5, 66, 69, 68, 71, 70, 73, 72, 75.2, 74, 92, 88
In a city with three high schools, all the ninth graders took a Standardized Test, with these results: High School Mean score on test Number of ninth graders Glenwood 80 289 Central City 93 342 Lincoln High The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was 80. Of course, that is incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place. 67 170 mean of all ninth grader's scores =
In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Number of ninth graders (Frequency) Mean Test Score High School Glenwood 82 262 Central 92 311 Lincoln 67 168 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 82, 92, and 67, whic incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place 80.3. Of course, that is Mean of all ninth grader's scores *
1) The question screenshot attached down below just need the final answer.
The average height of 30 boys was calculated to be 150 cm. It was detected later that one value of 165 cm was wrongly copied as 135 cm for the computation of the mean. Find the correct mean. a. 153 b. None c. 152 d. 151
At their inauguration, the ages of the first six (out of a current number of 45) presidents of a certain country were 60, 51, 50, 58, 51, and 55 . Complete parts a and b below. a. Find the mean age at inauguration of the first six presidents. The mean is 54.254.2. (Round to the nearest tenth as needed.) The mean of the most recent six presidents was 51.6. Did the first six presidents tend to be a bit older or a bit younger than the most recent six presidents? older Your answer is correct. younger b. Find the standard deviation of the ages at inauguration of the first six presidents. The standard deviation is nothing. (Round to the nearest tenth as needed.)

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The manager at a hospital claims the median number of patients seen is 80 per day. A sample of 20 days was used and recorded below. 82 86 72 105 85 95 84 80 93 89 88 86 Using the sign test, at a-0.05, test claim. 81 74 81 81 80 62 83 87