math 1280 (MATH1280)

FINAL Question 1You are interested in the number of English-speaking people on the planetwho want to play a new kind of online video game. You asked 300 collegestudents if they were interested in pla ying video games, 100 said yes, and ofthem 20 preferred your game to an existing game that is widely used.How many people were in the sample?Select one:a. The number of English-speaking people on the planet who want to play anew kind of online video game.b.300c. 200d. 100e. 20 Question 2What is the ...

our answer is correct.The correct answer is: All shoppers at the Seattle Food Store.The sample in this survey was:CorrectSelect one:Mark 1.00 out of1.00a. Dominique and Huong.b. The people who were o bserved shopping at the Seattle Food Store during the study.c. The people who wear rain jackets.d. The four hours per day that were studied.e. The 32 people per day who wore rain jackets to the Seattle Food Store.Your answer is correct. The correct answer is: The people who were observed shopping at...

The file "" file contains information on measurements of the iris flowers. Create an Rdata frame by the name "" that contains the data in the file.The following R code shows an e xample of how to round a vector of numbers to zero decimalplaces and then calculate some statistics using the rounded numbers.You might need some ofthe calculations for this assignment, but you might not need others. You would replaceexample$years with the name of the R object that you want to analyze (in other prog...

Dashboard / My courses / MATH 1280-01 - AY2023-T4 / 7 April - 13 April / Self-Quiz Unit 1 An automobile producing company operates car dealerships that sell its cars. In order to assess the service costumers get at the dealerships a team from the Customer Relationship Department was assembled. The team was sent to 20 randomly selected dealerships. Each dealership was visited once by the team for an entire working day. During a visit the team interviewed all the customers that arrive...

MATH 1280 Milestone#1Introductionton to Statistics The administrator of a hospital conducted a survey among patients in the cardiology wing to determine service levels of the nursing staff in the hospital. Which of the following explains how the results of the survey could be biased?

FINAL EXAM MATHS Question 2 What is the mean of x? x <- c(12, 14, 11, 14, 13, 15, 12, 16, 10) Select one: a. 12 b. 13 c. 14 d. 15e. 16 Question 3 Using the value of x from the prior question, what is the standard deviation of x? Select one: a. 1 b. 3.75 c. 9 d. sqrt(13) e. 1.94