Find the ratio and unit rate. 216 cherry pieces in 6 bags of candy
1 answer:
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Answer:
Step-by-step explanation:
Given that a survey was conducted that asked 1004 people how many books they had read in the past year.
Results are:
x bar =12.5
s = 16.6
n = 1004
Std error of sample =
Since population std dev is not known t critical value can be used for confidence interval.
df = 1004-1 =1003
t critical = 1.96
Margin of error
Confidence interval lower bound
Upper bound