What are the arithmetic and weighted means

Assignment Help Basic Statistics
Reference no: EM133245358

Show All the math work.

1) Please give the mean, median, and mode of the following sets of numbers and write down whether the mean, median, or mode would be used to best describe each set of numbers.
a. 1, 3, 5, 9, 11
b. 2, 5, 7, 9, 345
c. 2, 5, 5, 5, 5, 5, 5, 7

2) Please write out a set of numbers that best represents each of the following types of central tendency:
a. Mean
b. Median
c. Mode

3) What are the arithmetic and weighted means for the following set of numbers:
Category Mean Sample Size
Whites 30 10
African Americans 40 15
Hispanics 60 55

4) What are the arithmetic and weighted means for the following set of numbers:
Category Mean Sample Size
Separated 25 15
Married 35 20
Divorced 50 10

5) What are the arithmetic and weighted means for the following set of numbers:
Category Mean Sample Size
College Students 45 30
High School Students 40 50
Graduate Students 70 55

Reference no: EM133245358

Questions Cloud

Expected value and to the standard deviation : Consider a binominal distribution. If the number of trials is increased, what happens to the expected value and to the standard deviation? Explain.
Probability of fully reading a short book : If you pick a random book out of 100, what is the probability you will fully read it? Given: Out of 100, 45 are short, 30 are medium, 25 are long.
Compare the effect of sample size versus population size : Compare the effect of sample size versus population size on sample mean distribution.
What is the dependent variable : A vacation resort rents SCUBA equipment to certified divers. The resort charges an up-front fee of $25 and another fee of $12.50 an hour. What is the dependent
What are the arithmetic and weighted means : 1) Please give the mean, median, and mode of the following sets of numbers and write down whether the mean, median, or mode would be used to best describe each
What is the equation for the least square regression line : What is the equation for the least square regression line where the independent or predictor variable is sepal length and the dependent or response variable is
Non-collected variable that could confound all variables : 1. Statistical Literacy: a study used the variables: income, job satisfaction, and commute to and from work. How or why could the included variables be confound
Types of resources are available to global populations : What types of resources are available to global populations in terms of learning about nutrition and healthy eating?
Normal distribution with a population mean : Problem 1. Suppose the wait time at local fast food restaurants follows a normal distribution with a population mean of 3 minutes and a population standard devi

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd