The breakdown of the number of Leaving Cert students throughout Ireland taking each subject for the Leaving Cert examination.
statistics
Description
Q1. For each of the following data sets classify the data by the most appropriate data type and scale of measurement.
a) The breakdown of the number of Leaving Cert students throughout Ireland taking each subject for the Leaving Cert examination.
b) The diameter of 30 moulded components measured at Incoming Inspection.
c) Your ranking preference of 5 Chocolate bars.
d) The ambient temperature recorded hourly in a Cleanroom.
Q2. A T.D. is interested in whether constituents’ favour shorter opening hours for pubs in Ireland. Her staff reports that letters on the issue have been received from 361 constituents and that 283 of these are in favour of shorter opening hours. Identify the population, sample, unit, variable measured and statistic.
Q3. The following is a breakdown of a sample 100 length dimensions of a moulded
component taken from a day’s production at an Injection Moulding plant.
