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Q1. A software developer is interested in finding what the best color theme should be for an engine diagnostic program for the flight line. He is considering three different color themes (red, green, or blue). To determine which is preferred by his users he invited 60 participants to view the three different designs (colors). He then asked them which one they liked best. The table below presents the number of times each design was chosen by the participants.
Red Green Blue
14 18 28
(a) Use appropriate words and statistics to describe the statistical results. Based on this data which design should he use?
Q2. What foods do aeronautical engineers like?
There were three types of food, and the researcher recorded which foods were bought.
Peanut Butter Banana Hamburger
15 7 4
(a) Use appropriate words and statistics to describe the statistical results. Based on this data which food seems to be prefered?
making sample means ,propotions,slopes on excell
A Biology student estimates that the probability that a certain organism will live beyond 24 hours is .40. If he conducts on 7 of this type or organisms, find the probability that
a clinical psychologist claims that on average, at least twenty five clients visit her per week. for a random sample of 8 weeks, the following numbers of clients were recorded; 25
difference between positive and negative correlaiton
Sales from a leading motor dealership were monitored over the past four years. The sales figures are presented in the accompanying table. Year Quarter 1 Quarter 2 Quarter 3 Quarter
Introduce the aim of this section of the report including an explanation of the data to be analysed. • Use Excel to produce a box and whisker plot for the two sets of booking data
Probability 3DP, a Luxembourg-based company plans to develop and sell highly specialized 3D printers. The cost of product development is estimated at EUR 50,000.-, irrespective
Books of original entry Books of original entrance are a record in which the various or many other transactions are initially and formally recorded and serve up as the straight so
Study A Study B r = .64 r = .77 df = 18 df = 121 p 1. In using the data from study A to m
Mean The mean is commonly the most significant of all the numerical measurements used to describe data, and it is what the most people call an average. Example Find
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