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1. The Snowbird Ski Lodge attracts skiers from several New England states. For each of the following scales of measurement, provide one example of information that might be relevant to the lodge's business.
a. Nominal
b. Ordinal
c. Interval
d. Ratio
2. Restaurants sometimes provide "customer reaction" cards so that customers can evaluate their dining experience at the establishment. What kinds of decisions might be made on the basis of this information?
3. What kinds of statistical data might a burglar alarm company employ in trying to convince urban homeown- ers to purchase its product?
For the sheet-metal stamping machine in certain factory, the time between failures, X1 has a mean between the failures, of 56 hours and a variance of 16 hours.
The national average SAT score is 1019. If we assume a normal distribution with σ = 90, what is the 90th percentile score? What is the probability that a randomly selected score exceeds 1200?
A standard deviation of 2.5lb. What is the largest annual per capita consumption of ice cream that can be in the bottom 15%?
White blood cell counts are helpful for assessing liver disease, radiation, bone marrow failure, and infectious diseases. Listed below are recorded white blood cell counts.
the 70-year long-term record for weather shows that for new york state the annual precipitation has a mean of 39.84
Construct a hypothetical 95% confidence interval for a hypothetical case
The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 82 pounds. A random sample of 150 newly manufactured cables has a mean breaking strength of 1950 pounds.
Perform a contingency analysis on the data to determine if there is any dependency between the number of level of education attained by the father and the size of his family.
find the minimum sample size required to estimate a population proportion to within 0.05 with 95
Order pizza with this new crust again. Calculate a 98% confidence interval for the proportion of customers who would order the new thin crust pizza again.
a card is drawn from a standard deck of 52 playing cards. find the probability that the card is an ace or a heartplease
assume you are requested to survey middle-aged men in a particular neighborhood on their weights. you gather data from
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