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hiho ltd specializes in guided walking holidays based around its own holiday hotels in the uk the company provides two
a factory employs three quality control inspectors they are asked to keep a record of the number of items they test and
you are using the mann-whitney u test for a large sample and have been given the following statistics t 258 n1 15 and
you are using the mann-whitney u test for a small sample and have been given the following summaryusing a 5 per cent
a frequency table has been used to report the length of life of a component the table has eight intervals and has been
mini case 141the use of significance testingnbspis an important part of the research process it provides a rigorous way
a company is using a system of payment by results the union claims that this seriously discriminates against newer
during the manufacture of certain electrical components items go through a series of heat processes the length of time
a researcher is investigating the relationship between the age of a man x and the age of his wife y for a sample of 11
from a sample of ten towns in the north east of england data on male unemployment and car ownership was obtained this
construct a scatter diagram for the following datafind the coefficient of correlation and the coefficient of
a farmer has recorded the number of fertilizer applications to each of the fields in one section of the farm and at
mini case 153in 2011 the uk nationalnbsphealth service published an article with the stunning headline half of the uk
mini case 152correlation can be used as part of a debate as the following example illustratesa popular theory of
mini case 151once you have data that allows the plotting of scatter diagrams you will also be able to calculate a
a personnel and recruitment company wishes to build a model of likely income level and identifies three factors thought
a regional health authority is investigating the monthly man-hours that are used for patient care in the hospitals in
you have been given the following data available on the online platform in either file cse21xlsx or cse22sava plot the
multicollinearity exists whena two or more of the independent variables are not correlatedb the dependent variables is
a large supermarket chain would like to know what factors influence potential customers to come to their supermarkets
a researcher wishes to fit a regression line to her data however the data has several unusual points that she does not
mini case 161what can you expect if you look for a career in statisticswill it be all multiple regressionyou might find
the management team of a new leisure facility have decided to look at the level of usage since it opened 11 weeks ago
a shop manager has recorded the number of customers over the past few weeks the results are shown belowdata available
the level of economic activity in a region has been recorded over a period of four years as presented belowa construct