data: FieldA and FieldB df- 34.751, p-value 0.001292 alternative hypothesis: true difference in means is not equal to 0 95 percent conf dence interval: sample estimates: mean of x mean of y 13.98803 11.02686 2. Based on the summary statistics calculate the missing t test statistic from the R output:

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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data: FieldA and Fields
af- 34.751, p-value e.001292
alternative hypothesis: true difference in means is not equal to 0
95 percent conf dence interval:
sample estimates:
mean of x mean of
13.98803 11.02686
Q. Based on the summary statistics calculate the missing t test statistic from the R output:
t statistic = 3.583
Q. Give the set up for the 95% confidence interval for the difference in averages. Use the degrees of freedom from the R
output (round down).
Estimate ± Critical Value × Standard Error - 14
2.042
0.701
Q. Make a conclusion based on the previous results.
There is convincing
evidence the average percent of water by volume in the soil between Field A and
Field B differs. Based on the p-value, the test rejects
* the null hypothesis. The 95% confidence
interval and point estimate indicate the Field A has more
average percent by volume than Field B.
Transcribed Image Text:data: FieldA and Fields af- 34.751, p-value e.001292 alternative hypothesis: true difference in means is not equal to 0 95 percent conf dence interval: sample estimates: mean of x mean of 13.98803 11.02686 Q. Based on the summary statistics calculate the missing t test statistic from the R output: t statistic = 3.583 Q. Give the set up for the 95% confidence interval for the difference in averages. Use the degrees of freedom from the R output (round down). Estimate ± Critical Value × Standard Error - 14 2.042 0.701 Q. Make a conclusion based on the previous results. There is convincing evidence the average percent of water by volume in the soil between Field A and Field B differs. Based on the p-value, the test rejects * the null hypothesis. The 95% confidence interval and point estimate indicate the Field A has more average percent by volume than Field B.
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