Independent and dependent variables

Assignment Help Basic Statistics
Reference no: EM1389998

For these 4 questions below what would be the independent and dependent variables, the level of measurement and whether or not the variable is discrete or continuous.

1) A graduate student is studying sexual harassment on college campuses and asks 500 female students if they personally have experienced any such incidents each student is asked to estimate the frequency of the incidents as either 'often, sometimes, rarely or never' The researcher also gathers data on age and major to see if there is any connection between these variables and frequency of sexual harassment.

What would the independent variable, dependent variable be? and their classification(nominal ordinal or interval-ratio) and finally are they discrete, continuous or neither.

2) A supervisor in the solid waste management division of a city government is attempting to assess 2 methods of trash collection. One area of the city is served by trucks with two-man crews who do 'backyard' pickups and the rest of the city is served by 'hi-tech' single person trucks with curbside pickup. The assessment measures include the number of complaints received from the 2 different areas over a 6 month period, the amount of time per day required to serve each area, and the cost per ton of cash collected.

3) The adult bookstore near campus has been raided and closed by the police Your social research class has decided to poll the student body to get their opinions. The class decides to ask each student if he or she supports or opposes the closing of the store, how many times each one has visited the store, and if he or she agrees or disagrees that 'pornography is a direct cause of sexual assaults on women' The class also collects information on the sex, age, religious and political philosophy and major of each student to see if opinions are related to these characteristics.

4) For a research project in a political science course, a student has collected information about the quality of life and the degree of political democracy in 50 nations. Specifically she used infant morality rates to measure quality of life, and the percentage of all adults who are permitted to vote in national elections was the measure of democratization. Her hypothesis is that quality of life is higher in more democratic nations.

Please help me answer these 4 questions in terms of a) the independent and dependent variable b) their level of measurement(ordinal, nominal, interval-ratio)and c) if they are discrete or continuous or neither.

Reference no: EM1389998

Questions Cloud

Does smiling cause mood to rise : Does smiling cause mood to rise (i.e., become more positive)? Sketch between-participants, within-participants, and matched-participants designs that address this question and discuss the advantages and disadvantages of each to yielding data that ..
Particular airline randomly contacted : According to a recent survey, the probability that a passengerfiles a complaint with the Department of Transportation about aparticular U.S. airline is .000014. Suppose 100,000 passengers whoflew with this particular airline are randomly contacted..
Chronic increase in mean arterial pressure : The baroreceptors are responsible for detecting and responding to changes in mean arterial pressure. Please describe the responses of baroreceptor reflex to both an acute and a chronic increase in mean arterial pressure.
What is the re-order point : The manager has assigned an annual carrying cost of 35% of the purchase price per crate. Ordering costs are $28. Currently the manager orders once per month.If the order lead-time is two weeks (ie 0.5 month) what is the re-order point?
Independent and dependent variables : For these 4 questions below what would be the independent and dependent variables, the level of measurement and whether or not the variable is discrete or continuous.
Multiple choice questions - ecology : Suppose that lions running on grass neither benefit nor are harmed by this interaction, but their activity helps the grass grow.
Calculate the z-scores : She knows that 60% of the minerals have mass less than a certain amount m, and needs to select a random sample of n = 16 specimens for an experiment. With what probability will their average mass be less than the same amount m? (Hint: Calculate th..
Structure of industry : What is the outcome in terms of profitability and result in this Industry - submit a paper on an Industry of your choice.
Annual carrying costs per pot are estimated : Garden Variety Flower Shop uses 750 clay pots a month. The pots are purchased at $2 each. Annual carrying cost per pot are estimated to be 30 percent of the cost and ordering costs are $20 per order

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining conditional probabilities in poker

Probability of a flush.  Poker player holds flush when all 5 cards in hand belong to same suit (clubs, diamonds, hearts, or spades).

  Determining number of vehicles passing from one point

Determine expectation of number of vehicles passing through this specified point in ten minutes.

  Population mean is less than a specified value

To test whether the population mean is less than a specified value.

  Three periods double moving average method

A company tracked the number of complaints it received during the first 6 months of last year, as shown in the following table:

  Crude death rate and age specific death rate

Find out  the crude death rate, age specific death rate, standard death rate and adjusted death rate.

  Which class should sarah expect better grade

Last week Sarah had exams in Math and in Spanish. On the Math exam, the mean was u, = 30 with a = 5, and Sarah had a score of X - 45. On the Spanish exam, the mean was u, = 60 with 0 = 6 and Sarah had a score of X = 65. For which class must Sarah ..

  What value does the average always standardize

Standardize the value according to the given average and SD - unstandardize the value according to the given average and SD

  The mean of a standard normal probability distribution

The mean of a standard normal probability distribution.

  Normal distribution-standard deviation

Assume that the measurements came from a normal distribution. The variability of the manufacturing process is unknown means the same as the standard deviation is unknown.

  Determine conditional probability distribution

Suppose that during a basketball practice. Joe tries 3 shots from the free throw line; imagine further that he has a probability equal to 0.6 of making each shot and that the attempts are independent. Let 'X' be the number of baskets he makes in t..

  Finding the standard deviation by hand

For each lettered part, a through c, examine the two given sets of numbers. Without doing any calculations, decide which set has the larger standard deviation and explain why. Then check by finding the standard deviation  by hand .

  Test the claim for actual percentage

Test the claim that the actual percentage is 53%. Use a 0.10 significance level.

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