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Q1) Manufacturer thinks he can get $124.00 for his product. Wanting to prove his faith he collected random sample of 64 potential buyers of his product and found on average they were eager to pay $121.9 with sample standard deviation of $16.00. If he tests at = .05 level what would he conclude?
2) Following data are bi-weekly gross pay amounts for current graduates of university's Masters program
$2,225
$2,900
$1,923
$3,200
$4,000
$3,847
$3,780
a) Determine the Mean
b) Determine the Position of the Location of the Median
c) Determine the Median
d) Determine the Range
e) Determine the Midrange
f) Determine the Mode
g) Determine the Standard Variance
h) Determine the Standard Deviation
For the data giben below, prepare a R-chart. Note that the sample size is three.
What is the likelihood all four of the selected flights arrived within 15 minutes of the scheduled time?
Assume that the smiling time of eight-week old babies, in seconds, follows a uniform distribution between 0 and 23 seconds, inclusive. This means that any smiling time from 0 to and including 23 seconds is equally likely.
Find the probability that in a given year,a) Exactly one major hurricane will strike the U.S. mainland
In each of the following situations, the sampling frame does not match the population, resulting in undercoverage. Give examples of population members that might have been omitted:
Determine the calculated value of the test statistic? What distribution does test statistic have when null hypothesis is true?
A journal polled its readers to determine the proportion of wives who, if given a second chance, would marry their husband again.
Obtain a test statistic and p -value. Interpret the results at α = .01.
Describe the sampling distribution model of this mean.
What percent of trucks logged more than 57,060 but less than 58,280 miles? What percent of Fords travelled 62,000 miles or less in the year?
Solve the equations using linear algebra
Caselet on McDonald’s vs. Burger King - Waiting time
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