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Make a Pareto diagram and give conclusions.
The following data represent complaints about hotel rooms:
Reason
Number
Room dirty
32
Room not stocked
17
Room not ready
12
Room too noisy
10
Room needs maintenance
Room has too few beds
9
Room doesn't have promised features
7
No special accommodations
2
a. Construct a pareto diagram.
b. What reasons for complaints do you think the hotel should focus on if it wants to reduce the number of complaints? Describe.
If the sample consists of n = 15 individuals, then compute df value for the t statistic?
Find probability using normal distribution.Using N (1152, 84), the Normal model for weight of Angus steers, what percent of steers weigh.
The mean amount purchased by a typical customer at Churchill\'s Grocery Store is $23.50 with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the foll..
Find the critical F value for the Following,
The critical F value with 6 numerator and 60 denominator degrees of freedom at α = .05 is:
For each of the 50 states and Washington, D.C., a number of statistics related to education are available for 1992
In a distribution of scores, the arithmetic mean is 51, the median is 55, and the mode is 62. What is the score, in percentile form, of a subject who does less well than two-thirds of the sample?
How many cans of paint should the sample contain if the researcher wants to be 98% certain of being within one percentage point of the true proportion of this chemical?
Using What's Best! (or Solver) determine the least-cost shipping schedule, where each of three (3) hardware vendors provide up to two hundred (200) units and each of six (6) buyers demand one hundred (100) units.
Determine the coefficient of correlation between the two variables. Interpret the value.
Is it reasonable to compute that the mean of the population is actually $15,000.
Develop a hypothesis to investigate this problem based on the claim of the heat pump manufacturer
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