StudentShare
Contact Us
Sign In / Sign Up for FREE
Search
Go to advanced search...

MA205- Elementary Statistics - Essay Example

Cite this document
Summary
(b) no it does not necessarily mean that the original distribution to be normal because as the central theoremn states that if there is a large number of independent and identiacally distributed random variable, then the distribution of their sum tend to be normally distributed as the number of these variables increase indefinitely therefore the distribution does not have to normally distributed.
Download full paper File format: .doc, available for editing
GRAB THE BEST PAPER98.1% of users find it useful
MA205- Elementary Statistics
Read Text Preview

Extract of sample "MA205- Elementary Statistics"

Download file to see previous pages

e as the central theoremn states that if there is a large number of independent and identiacally distributed random variable, then the distribution of their sum tend to be normally distributed as the number of these variables increase indefinitely therefore the distribution does not have to normally distributed.(c) A sample of 100 taken , probability will be between 198 and 220Z = mean - X/ standard deviation198=> 198 - 211/ 9 = -1.444Z = 0.07493220 => 220 - 211/ 9 = 1Z= 0.15865Area between the two Z points Prob. = 1- (0.07493+0.15865)Prob. = 0.76642Unit test three1.

99 % Mean = 2Standard deviation = 10SD= SD/ (N)1/22. 160 infantsMean = 5.98SD= 3.595% confidence level= (5.98 -( 3.5 X 1.6) X (5.98 +( 3.5 X 1.6) = 95%= 0.38 X 11.58 = 95%3. (a) Paralyzed(48.0 - (8.1 X 1.04) X (48.0 + (8.1 X 1.04) = 98%(39.576) X (56.424) = 98%None polarized(56.7 - (8.1 X 1.04 ) X (56.7 + (8.1 X1.04 ) = 98%(48.276) X (65.124) = 98%(b) ConclusionThe two confidence intervals are different; therefore there is a difference in the two means.4.(a) Type I: when we reject the null hypothesis when it should be accepted.(b) Type II: when we do not reject the null hypothesis when it should be rejected. (c) Z= 2.33P value is 0.49015. (a) null hypothesisH0 : U < 15Ha : U = 15(b) t= 0.

6107P value = 0.7269T critical is greater therefore we accept the null hypothesis 6. (a) H0: U < 22000Ha: U =22000(b) (c) t calculated = 21819/ 1295 = 16.84T critical = 1.29T critical is less than T calculated therefore we reject the null hypothesis(d) Because we have rejected the null hypothesis it is still true to state that the tires last 22000 miles. T critical is greater than T calculated so we accept the null hypothesis that the change as a result of training is equal to zero, therefore the training makes some positive change towards those who are mentally retarded.

...Download file to see next pages Read More
Cite this document
  • APA
  • MLA
  • CHICAGO
(“MA205- Elementary Statistics Essay Example | Topics and Well Written Essays - 2250 words”, n.d.)
Retrieved from https://studentshare.org/miscellaneous/1512772-ma205-elementary-statistics
(MA205- Elementary Statistics Essay Example | Topics and Well Written Essays - 2250 Words)
https://studentshare.org/miscellaneous/1512772-ma205-elementary-statistics.
“MA205- Elementary Statistics Essay Example | Topics and Well Written Essays - 2250 Words”, n.d. https://studentshare.org/miscellaneous/1512772-ma205-elementary-statistics.
  • Cited: 0 times

CHECK THESE SAMPLES OF MA205- Elementary Statistics

Why do gifted students leave their residential borough to continue their post 16 education

A total of 100 participants were surveyed to investigate the reasons as to why gifted students leave their residential borough to continue their post 16 education.... Of these 100 participants, only 31 actively participated and filled in online survey form to present their point of view on the subject....
30 Pages (7500 words) Dissertation

Statistics Study

statistics Study (Author's name) (Institutional Affiliation) The table below shows statistical tests used to compare groups based on either age or gender....
4 Pages (1000 words) Essay

MA205 Elementary Statistics

elementary statistics Identify each number as either continuous or discrete.... eference;Daniel Bridge (1963) statistics: An Introduction to Quantitative Economic Research, Rand McNally publishers, Michigan... 4.... In response to a poll on a Dateline NBC program about wildlife conservation, 1276 of 1450 callers said they would be willing to spend more money on imported fossil fuels in order to eliminate the possibility of oil drilling in national parks set aside as wildlife preserves....
2 Pages (500 words) Essay

The attitude of Saudi students in Brighton towards teaching English

The study "The attitude of Saudi students in Brighton towards teaching English" shows positive attitude of the students towards EFL in the Saudi elementary state schools.... ith respect to whether English should be introduced in the elementary state schools' curriculum or not, the results indicate that an extremely high percentage of respondents support the statement.... Therefore, it can be said that the majority of the participants encourage introducing English as a foreign language in the elementary state schools....
9 Pages (2250 words) Essay

Elementary Statistics

Random samples elementary statistics – Exam Solutions CHAPTER 1.... orks CitedTriola, Mario (2011) elementary statistics, 11th Edition.... This type of data provides information that is generally easier to analyze and is fairly more reliable.... Examples include: national… Stratified sampling – the population in this case is divided into groups in a way in which the members of each group have similar characteristics....
2 Pages (500 words) Essay

A Means for Improving Social Exclusion and Anti-social Behaviour

The current paper presents three different strategies on curbing anti-social behavior, including punishment, the Webster-Stratton approach, and juvenile rehabilitation and presents the methodology including a discussion of qualitative and quantitative research.... hellip; In the UK, there is the decision to use punishment more readily and for longer sentences and thus putting to ever-more restricted and harsh regimes is quite easy to make in Britain....
37 Pages (9250 words) Term Paper

The Brick and Tile Industry

This report "The Brick and Tile Industry" is aimed at evaluating the results of a study which was conducted in order to assess the possible health hazards that factory workers in the brick and tile manufacturing industry may be exposed to.... nbsp;This particular study, conducted by the Health and Safety Laboratory....
5 Pages (1250 words) Report

The Use of Technology for Children with Hearing Impairment

The paper "The Use of Technology for Children with Hearing Impairment" states that the data for the proposed research will be gathered from three schools dealing with each type of disability and which specifically teach children with hearing impairment and intellectual disabilities in Saudi Arabia....
56 Pages (14000 words) Thesis
sponsored ads
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.
Contact Us