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An experiment was initiated to study the effect of a newly developed gaso- line detergent on automobile mileage. The following data, representing mileage per gallon before and after the detergent was added for each of eight cars, resulted.
Car
Mileage without Additive
Mileage with Additive
1
24.2
23.5
2
30.4
29.6
3
32.7
32.3
4
19.8
17.6
5
25.0
25.3
6
24.9
25.4
7
22.2
20.6
8
21.5
20.7
Find the p-value of the test of the hypothesis that mileage is not affected by the additive when
• the sign test is used;
• the signed rank test is used.
A randomly selected resident turns out to be male (that is, it is given that the resident is male). Compute the probability that he is in favor of building the bridge.
What is the projected demand for the test equipment for time period 25 based upon using a 3-month moving average forecast model - What are the bias, mean absolute deviation
Find a eulerization of the graph that will allow the garbage truck to make a reasonably efficient Eulerian circuit through the neighborhood.
a population has mean 20. a simple random sample of size 100 is selected from this population. what is the mean of the
Can we conclude that there is a positive association between the size of the home and the selling price? Use the .05 significance level.
The standard deviation is thought to be $400. How many card holders should be sampled? Your company charges a set dollar amount for each account in the sample.
weight status category and the corresponding percentiles and bmi ranges for 10-year-old boys in the states table.weight
Three coins are tossed simultaneously, consider the event E "Three heads or three tails" F " At least two heads" and G "Atmost two heads " of the pairs (E,F), (E,G) and (F,G), which are independent? Which are dependent?
question a process for the manufacture of penicillin was studied. there were five variants of the basic process being
Study on how to implement SPC (Statistical Process Control)? Control Chart and others
Calculate the Optimal Level of Output and Maximum Profit
question visit the australian bureau of statistics website and get the catalogue 6302.0 average weekly earnings
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