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A Shoe manufacturing company designs a new shoe (Brand A) and it wanted to compare its fit with that of the leading brands in the market Nike and Reebok. 27 Customers were asked to try one of the brands and rate its comfort which was measured on 1 (bad) to 9 (good) scales. The new shoe will be introduced only if it is preferred over the other 2 brands. The scores are given below:
Nike Reebok Brand A
7 4 3
5 6 5
8 7 8
7 8 5
5 4 9
6 6 7
8 3 8
5 7 5
7 6 6
H (1): Is Brand A preferred over Nike?
H (2): Is Brand A preferred over Reebok?
The CEO of supermarket 'Taste' thinks of opening a branch in another shopping mall in Hong Kong. But before that he wants to study the consumer's preference for a particular store based on the variety of items sold in that store. He would compare his store with the leading supermarket chains like PNS and Welcome in a study in which 30 consumers participate. They are given a questionnaire which listed the variety of products sold in a particular departmental store for different item categories and asked them to rate their preference for that store which was measured on a 10 pointer scale, 1 (less preferred) and 10 (more preferred). These are then averaged for a single consumer and are given below in a table.
PNS Welcome Taste
3 4 6
4 6 7
6 5 4
7 4 8
8 3 9
9 6 4
6 8 5
7 6 4
6 4 7
5 8 7
The CEO will open a branch only if consumers prefer 'Taste' departmental store over PNS and Welcome. What will be his decision?
9. From 11 positive integer scores on a 10-point quiz, the mean is 8, the median is 8, and the mode is 7. Find the maximum number of perfect scores possible on this test.
According to de Broglie hypothesis and Heinsberg’s uncertainty principle, if and electron is to exist inside the nucleus, it should posses energy ranging from 20 MeV to 200 MeV. B
difference between histogram and historigram
t distribution has proportionately smaller areas in its tail than normal distribution. is it true?
grade inflation
In a quaternaryphase shift keying (QPSK) communications system, one of four equally probable symbols s0,...,s3 is transmitted in T seconds. If symbol si is sent, a waveform x(t,si)
what do you mean by correct and remedy the equipment trouble as instructed by the expert.
A sinsodial votage source with 440v peak value dissipates 4.8kw ina certain resistor. calculate resistor value
A drainage system overows into a river causing pollution when the rainfall falling in an hour exceeds 50 mm. During any given year, the maximum hourly rainfall follows an exponenti
how can write co variance using summation notation
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