Cashback Offer (20th - 30th September 2020). Get Flat 10% Cashback credited in your account on a minimum transaction of $80. Post Your Question

Question Details Normal
$ 15.00

Easy-Medium Stat Questions

  • From Mathematics, Statistics
  • Due on 15 Dec, 2019 11:59:00
  • Asked On 13 Dec, 2019 08:47:09
  • Due date has already passed, but you can still post solutions.
Question posted by
Online Tutor Profile
request

Document marked Week 8 is the Questions need them answered on the Document Marked Answers.

Available Answers
$ 15.00

[Solved] Easy-Medium Stat Questions Solution

  • This solution is not purchased yet.
  • Submitted On 14 Dec, 2019 10:17:50
Answer posted by
Online Tutor Profile
solution
1 Answer: (a) (2) Density of people per square kilometer (b) (3) Set of densities of people per square kilometer of all countries 2 Answer: (a) (3) ordinal (b) (1) cluster 3 Answer: (a) TRUE (b) TRUE 4 Answer: (a) cluster sampling is used (b) they divides the population into separate groups. Called cluster. Then select 10 cluster randomly and accessed the students from the sampled clusters. 5 Answer: (a) (1) t-test for two independent samples (b) This is because the test involves ...
Buy now to view the complete solution
$ 25.00

[Solved] Easy-Medium Stat Questions

  • This Solution has been Purchased 1 time
  • Average Rating for this solution is F
  • Submitted On 15 Dec, 2019 01:51:12
Answer posted by
Online Tutor Profile
solution
Problem Number Solution 1 Answer: (a) Density of people per square kilometer. Among the given answer options, this is the unit of measure, which can be counted (data item), which is a statistical variable. (b) The population includes all observations or cases. In the context of density of people per square kilometer, the set of densities of people per square kilometer of all countries is the population. 2 Answer: (a) Ordinal. The ratings are ordered, but the points on this scale are not equidistant. (b) This is a stratified random sampling – the researcher divided the data into strata by the program they have participated in, and then randomly sampled students from each strata. 3 Answer: (a) True. Because the variance of a data set of size n can be expressed as follows: Obviously, zero is possible only when all X values are equal to the mean value, which is only possible, when all X are equal. (b) No, this is false. In fact, the median of a normal distribution is equal to its mean and mode. However, it can be any number – positive, or negative, or zero. It depends on concrete normal distribution parameters. 4 Answer: (a) This is cluster sampling. (b) The researcher divided the population of interest on clusters – individual fifth grade classrooms. Then, a simple random sample of clusters was collected (10 clusters), and all data from these clusters were used. 5 Answer: (a) t-test for two independent samples (b) Since two samples are independent from each other (four- and six-cylinder cars are obviously independent), we can use t-test for independent samples. Other options are unfit. Correlation is used to measure the strength of association, z-test for population mean is used when the standard deviation of population is known, and t-test for dependent samples is used only when the samples are dependent. 6 Answer: (a) ANOVA (b) The main reason to use ANOVA is because the independent variable (weight loss program) consists of more than 2 groups (namely, 10), and the dependent variable is weight change, which is measured on a continuous numerical scale (in pounds, kg, etc.). These are one of the conditions to use ANOVA. Other listed techniques are not usable in this situation. 7 Answer: (a) x ̅=1/10 ...
Buy now to view the complete solution
Other Related Questions

The benefits of buying study notes from CourseMerit

Assurance Of Timely Delivery
We value your patience, and to ensure you always receive your homework help within the promised time, our dedicated team of tutors begins their work as soon as the request arrives.
Best Price In The Market
All the services that are available on our page cost only a nominal amount of money. In fact, the prices are lower than the industry standards. You can always expect value for money from us.
Uninterrupted 24/7 Support
Our customer support wing remains online 24x7 to provide you seamless assistance. Also, when you post a query or a request here, you can expect an immediate response from our side.
closebutton
Only 45 characters allowed.
closebutton

$ 629.35