Frequently asked questions
Here are a few of the types of questions we are frequently asked by first year students. Mail us your questions and we will add them (anonymously, of course) to the collection, in the hope that the answers will help others.
Jump to Statistics Advisory Service FAQs
Question 1
If 2x + 5 = 17 how do I find x ?
Question 2
How do I work out 3x( 4x + 5) ?
Question 3
[D]
Question 4
Why is (-2)(-4) - (-18) - (-2)(5) = 36 ?
Question 5
[D]
Question 6
How do I solve this equation:
[D]
Question 7
How do I find x if
[D]
Question 8
What is a radian?
Question 9
How do I change 60 degrees into radians?
Statistical Advisory Service: Frequently asked questions
Question 10
What software packages are available for statistical analysis of data?
Question 11
What is the difference between various methods of collecting data e.g. data collected as observations or as the results of experiments?
Question 12
What types of data result from the various methods of collecting data?
Question 13
How should qualitative (i.e. nominal or categorical) information be presented so that the relevant and important messages become clear?
[Keywords: categorical data; tables; charts]
Question 14
How can we be sure that apparent patterns in data are not just due to chance?
[Keywords: p-value; statistical significance; null hypothesis and research hypothesis; one-tailed or two-tailed tests of significance.]
Question 15
How can I describe and present numerical data?