Stratified sampling-systematic sampling or cluster sampling

Assignment Help Basic Statistics
Reference no: EM132002788

(a) Suppose you travel from your home to the university by bus. The bus stops at your doorstep and in front of the university. The bus time table shows the travelling time is 42 minutes. You recorded your travelling time during the last 5 trips and the average time was 39 minutes. Identify each of the values 42 and 39 to be parameter, statistic, census or none of these.

(b) Identify the following data to be nominal, ordinal, interval or ratio.

i) Standard & Poor's bond ratings AAA, AA, A, BBB, BB, B, CCC, CC, C, DDD, DD, D

ii) Standardised exam score such as SAT, GRE, GMAT, ATAR, etc.

(c) You are supplied with 100 fruit seedlings. You randomly plant them in 10 rows with equal spaces between them and equal row lengths. Next you decide to check a sample of the plants for fungal disease. You pick your sample as the first plant in each row. What kind of sampling have you done (simple random sampling, stratified sampling, systematic sampling or cluster sampling)?

Reference no: EM132002788

Questions Cloud

What would be the effective price per british pound : You expect to make a 400,000 payment in British Pounds on close of business day on Friday. You decide to hedge your risk with futures contracts.
Existing sources of data created by others : 1. New sources of data designed for your purposes are 2. Existing sources of data created by others for different purposes are
What were flotation costs as a fraction of funds raised : Moonscape has just completed an initial public offering. The firm sold 2 million shares at an offer price of $8 per share. The underwriting spread was $.40.
Explain the need for designing procedures for simple tasks : Explain the need for designing procedures for simple tasks such as creating or modifying access controls.
Stratified sampling-systematic sampling or cluster sampling : What kind of sampling have you done (simple random sampling, stratified sampling, systematic sampling or cluster sampling)?
Discuss advanced financial models in detail : Monte Carlo Simulation is just one of a variety of simulation models that exist. Do a literature search and find a unique article published in a peer reviewed.
Explain about the single mode fiber optic cabling types : Describe two to three of the advantages and/or disadvantages associated with using each cable type for a business's network infrastructure.
How much does map have to borrow : Montana Allied Products (MAP) must borrow $1.7 million to finance its working capital requirements.The bank has offered a 45-day simple interest loan.
Box of amoxicillin antibiotic contain : How many capsules should a box of amoxicillin antibiotic contain? Medical research claims that 8 days of treatment with 3 tablets each day should

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