subject
Mathematics, 01.02.2021 22:40 hd14yarnell

The effect of acid rain upon the yield of crops is of concern in many places. In order to determine baseline yields, a sample of 13 fields was selected, and the yield of barley (g/400m2) was determined. The output from SAS appears below: QUANTILES(DEF=4) EXTREMES
N 13 SUM WGTS 13 100% MAX 392 99% 392 LOW HIGH
MEAN 220.231 SUM 2863 75% Q3 234 95% 392 161 225
STD DEV 58.5721 VAR 3430.69 50% MED 221 90% 330 168 232
SKEW 2.21591 KURT 6.61979 25% Q1 174 10% 163 169 236
USS 671689 CSS 41168.3 0% MIN 161 5% 161 179 239
CV 26.5958 STD MEAN 16.245 1% 161 205 392
A 95% confidence interval for the mean yield is:.
a. 220.2 ± 1.96(58.6)
b. 220.2 ± 1.96(16.2)
c. 220.2 ± 2.18(58.6)
d. 220.2 ± 2.18(16.2)
e. 220.2 ± 2.16(16.2)

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:30, hdjehd
Solve the system of equations. y= 2x y= x^2 - 15
Answers: 1
image
Mathematics, 21.06.2019 16:00, hateschool5207
Identify a1 and r for the geometric sequence an= -256(-1/4) n-1
Answers: 3
image
Mathematics, 21.06.2019 20:00, Oregonduckerz
The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest
Answers: 2
image
Mathematics, 22.06.2019 01:30, babbybronx
When you find the area of a triangle do you use in. or in2
Answers: 2
You know the right answer?
The effect of acid rain upon the yield of crops is of concern in many places. In order to determine...

Questions in other subjects:

Konu
Mathematics, 22.04.2021 19:10
Konu
Health, 22.04.2021 19:10