Two researchs adopted different sampling techniques whileinvestistigating the same group of student to find the number of students fallingin different intelligence levels. The results are as followsResearchersNo. of StudentsTotalBelowAverageAboveGeniusaverageaverage86604410200Y403325100Total126936912300WouldVOu say that the sampling techniques adopted by the two researchersareindependent ?

H0: The sampling techniques adopted by the two researchers are independent. H1: The sampling…

Answered: Two researchs adopted different…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Consider the following random sample of data: -7, 5, -1, -1, 8, 1, 7, -4, 8, 80 a) What is the mean of the sample data? Round your response to at least 2 decimal places. Number b) If the outlier is removed, what is the mean of the remaining sample data? Round your response to at least 2 decimal places. Number
Which of the following are sources of sampling error and which are sources of nonsampling error? The subject cannot be contacted in five calls. The telephone directory is used as a sampling frame. Data are gathered by asking people to go to a website and answer questions online. A typing error is made in recording the data. The subject lies about past illegal drug use. Interviewers choose people on the street to interview.
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As a Stock Analyst you compare the performance (measured as average increase in price from 20 may 2020 to 27 may 2020) of two sectors in the American stock exchange. You randomly choose 29 stocks from the finance sector and 29 stocks from the infrastructure and utility sector. This is an example of two dependent samples. INSTRUCTIONS TRUE or FALSE ?
Samuel F.B. Morse (1791-1872), the creator of the Morse Code, claimed that 12 % of all letters used in English language were "e"s. Suppose random samples of 196 letters are selected from a book. Use this information to answer question below.
The following describes a sample. The information given includes the five number summary, the sample size, and the largest and smallest data values in the tails of the distribution. Five number summary: (31, 61, 67, 69, 88); n = 120 Tails: 31, 52, 54, 56, 57,..., 77, 78, 84, 85, 88 Clearly identify any outliers using the IQR method. Select all that apply. No outliers 31 52 54 56 SE 57 77 78 84

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