Quiz  Mathematics homework help
This is the 10 scrutinys of the quiz:
The EPA privileges that fluoride in children's drinking introduce should be at a average smooth of hither than 1.2 ppm, or accommodation per favorite, to subjugate the enumerate of dental cavities. Identify the Type I fallacy. (Points : 1)
Medical researchers reviewing the lavish of demise for elderly patients vestibule dementia drugs base the aftercited postulates. Affect a .05 import smooth for examinationing the privilege that the proportions are not resembling. Also, affect the two rudimentary unpremeditated samples are dogged and that the provisions np ≥ 5 and nq ≥ 5 are pleased.
 Dementia Drugs  Placebo 
Number of patients  500  450 
Total demises  23  12 
Find the z examination statistic. Give your reply delay two decimals, e.g., 9.87 . (Points : 0.5)
Use a .05 import smooth and the observed frequencies of 144 drownings at the beaches of a unpremeditatedly separated coastal say to examination the privilege that the enumerate of drownings for each month is resemblingly likely.
Jan  Feb  Mar  Apr  May  June  July  Aug  Sept  Oct  Nov  Dec 
1  3  2  7  14  20  37  33  16  6  2  3 
Do you decline the ineffectual theory, at the .05 import smooth? Enter Y for yes (reject), N for no (trip to decline). (Points : 0.5)

 Immune Modulator Cream 

 Cure  No Cure 
Topical Steroid  Cure  25  11 
Cream  No Cure  42  22 
Use the aftercited technology show from a TwoWay ANOVA to reply this scrutiny. Biologists studying habitat use in Lepidopteran moths measured the enumerate of savannah moths base at three unpremeditatedly separated prairie footings delay two virtual habitat interferences (disquisition of row crops and grazing). Use a .05 import smooth.
Source  Df  SS  MS  F  P 
Site  2  .1905  .0952  .0381  .9627 
Habitat  1  304.0238  304.0238  121.6095  .0000 
Site*Habitat  2  .1905  .0952  .0381  .9627 
What is the compute of the F examination statistic for the footing property? (Points : 0.5) [removed]