The campus at Joliet Junior College has a lake. A student used a Secchi disk to measure the clarity of the lake’s water by lower
ing the disk into the water and measuring the distance below the water surface at which the disk is no longer visible. The following measurements (in inches) were taken on the lake at various points in time over the course of a year. 826462666843382668565466a.Using the data above, compute a point estimate for the population mean and population standard deviation. b.Construct a 95% confidence interval for the mean Secchi disk measurements. Interpret this interval.c.Construct a 95% confidence interval for the population standard deviation Secchi disk measurements. Interpret this interval.
1 answer:
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I assume c, because usually to get to the opposite you reflect the line or figure on the x axis
Answer:
-1/3
Step-by-step explanation:
1/3 is 0.33333... and then you just put a negative sign in front of it.
Answer:
150 in
Step-by-step explanation:
there are 12 in in a foot. There are 12 feet so 12*12=144. Then you add 6 because half a foot is 6 in which will give you 150 in
Answer:
18 pencils
Step-by-step explanation:
1/2 dozen:6
1 dozen:12
6+12=18
18 pencils
The answers in order is
Bc
Dc
Sas
