Number of results: 17,072
Please Help! My book and instructor are no help. Please help me understand why I need to make a scatter diagram, when dealing with bivariate data, and how to find SS(x), SS(y), SS(xy), and r. I have all the formulas, but don't understand. Thanks! I dont know that the diagram ...
Tuesday, August 30, 2005 at 9:45pm by Rebecca
I'm looking for some help with my statistics homework...I'm good with the basics, but I really bombed on my last class anyone??? To help you, we need to know specifically what problems you have. Please repost with specific problems. I hope this helps a little. Thanks for asking.
Thursday, July 13, 2006 at 9:59am by Robert
Let X1;X2;X3;...;X6 be a random sample from a distribution with the following probability desity function: Fx(x) = (1+4x)/3 for 0<x<1 = 0 for x=<0; x>=1. (a) Determine the joint p.d.f of Y1 and Y6 where Y1<Y2<...Y6 are the order statistics. (b) Let R= Y6-Y1 ...
Thursday, August 10, 2006 at 2:18am by ruth
pls, help me out(proofreading)
Hi. I wrote an essay about GATTACA, a movie which describes our future life. I tried to criticize the company's employment policy. pls, check my essay, focusing on the rationales. ---------------------------------------------- Due to the dramatic advances in genetic ...
Wednesday, September 27, 2006 at 10:18pm by yeulachet
Please help me figure them out. 1. In the 105th Congress, the Senate consist of 55 Republicans and 45 Democrats. If a committee is formed by randomly selecting four different senators, what is the probability that they're all Republicans? 2. It's common for public opion polls ...
Tuesday, December 5, 2006 at 3:45pm by David
Assume that the cure rate for a certain drug is 20% and that 15 patients are tested with this drug. Find the following: a) Mean b) Standard Deviation c) P (exactly 4 cures) d) P (exactly 4 cures) A snack company distributes chips in bags labeled 6 ounces. The local Bureau of ...
Monday, December 11, 2006 at 5:12pm by Mary
i have to find definitions and describe 208 words in my statistics class and for one of them it says: describe the deviation from a pattern of a graph. i don't actually get what it's asking me. i don't think it's pattern becuase i already have the definition for that. when it ...
Friday, January 26, 2007 at 10:16pm by david
Could anyone explaint to me what role the Binomial Theory plays in statistics and probability? Using statistics, we can make statements about a population based on sample data. Probability helps us make those statements. The binomial theory can be used to determine ...
Tuesday, March 6, 2007 at 10:11pm by Jennie
Question! Pls answer
Did ypu know that six Canadian prisons have tattoo shops? How would u explain this fact? Pls help. Thanks I didn't know that. But tattoos are very popular with many people now. The tattoo shops help train the inmates to make a living work in tattoo shops after they're released...
Thursday, March 8, 2007 at 8:55pm by May
Using the following information find a 95% confidence interval for the intercept in the regression of measured distance on recession velocity. VARIABLE COEFFICIENT STANDARD ERROR Constant 0.3391 0.1185 Velocity 0.001373 0.000227 T-STAT P-VALUE 3.369 0.0028 6.036 0.0000045 Est...
Wednesday, March 14, 2007 at 8:18pm by MMK
Statistics. The lowest temperature ever recorded in the state of Oregon was -54 F ( in Seneca, on February 10, 1933). The state’s record high temperature occurred in Pendleton on August 10, 1898, when it reached 119 F. What is the historical temperature range in the state of ...
Wednesday, March 21, 2007 at 8:59pm by carol
Physics - Assist pls!
Dear All please do help me out - thanks. How much heat and light energy is produced by a 100W electric lamp in 5 minutes? Solutn = I tried this using Energy = power x time 100 x 5min = 100 x 300 sec = 30,000J - Pls do I got the answer? You will see it easier if you include ...
Wednesday, April 18, 2007 at 12:58pm by Sola
Hi! I've been stuck on this question for a while. I know that I have to do some sort of 1-1/k^2 for empirical rule, correct? I can't figure out how to calculate any of this and what it means of within the standard deviation. I would greatly appreciate any help on this - thank ...
Monday, June 11, 2007 at 1:19am by Maggie
Hello, I have a few questions I'm working on for Statistics hw. Here's one of them - please help me, I'm stuck. It is known that 2% of the population has a general injection allergy. Suppose the Health Dept. randomly selected 250 individuals from the population and there were ...
Monday, June 25, 2007 at 4:18pm by Maggie
My question is in statistics under what circumstances would the mode be an appropriate measure of central tendency? Whenever you expect a "normal" Gaussian distribution and have a large number of measurements. In that case the "mode" or most frequently obtained value should ...
Monday, July 9, 2007 at 5:20pm by student
Is there a website where i can find the information you provided further because i am still not understanding towards what you mean.....thanks i'll appreciated it... My question is in statistics under what circumstances would the mode be an appropriate measure of central ...
Tuesday, July 10, 2007 at 10:57am by student
statistics ***pls help!
for each of the following, assume the 2 samples are selected from populations with equal means and calculate how much difference should be expected, on average, between the 2 sample means. a)each sample has n = 5 scores with s^2 = 38 for the first sample, and s^2 =42 for the ...
Thursday, April 14, 2011 at 11:40pm by jerr ******
Statistics (Pls. Help Me)
For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would like to estimate the ...
Tuesday, January 15, 2013 at 9:16pm by Cho
Statistics (Pls. Help Me)
2. A market researcher wishes to determine the market share of the four leading brands of milk among children in Metro Manila who are 6 years old or younger. a.) Population: b.) Variable of Interest: c.) Parameter of Interest:
Tuesday, January 15, 2013 at 9:30pm by Cho
Statistics (Pls. Help Me)
Population: children in Metro Manila who are 6 years old or younger Variable of Interest: market share of the four leading brands of milk Parameter of Interest: Chi Squared (X^2) ?
Tuesday, January 15, 2013 at 9:30pm by PsyDAG