BPT II Sessional Exam Revision

Which of these is NOT a source of measurement error?

• Scaling error

• Random error

• Gross error

• Systematic error

To reduce random errors we can:

• Be more careful

• Ensure that the instruments are accurate

• Increase the sample size

• Double check the measurements

A researchers enters a value 2.76 as 276. This is called

• Systematic error

• Instrumental error

• Random error

• Gross error

The above image represents

• A fixed sum scale

• A pairwise comparison ranking

• A numerical rating scale

• A summated rating scale

Choose the odd one out among the following data collection methods

• Interview method

• Questinnaire method

• Schedule method

• Hospital records method

Which of these is NOT true for developing a questionnaire

• Sensitive questions should be avoided

• There should be a logical flow to the questions

• Only multiple choice questions are permitted

• Guidance on how the questionnaire must be filled must be given

Identify the type of table represented in the image

• Manifold table

• Crosstab

• Simple table

• Numerical table

What is the following class interval called:

20-40, 40-60, 60-80, 80-100, 100-120

• Inclusive CI

• Exclusive CI

• Open CI

• Connected CI

which of these is NOT a sampling error

• Population specification error

• Selection error

• Non-random error

• Random sample error

Which of these is an application of the Chi-square test

• To compare the sample mean to a hypothesized value

• To compare the means of two independent groups

• To compare the means of two dependent groups

• To compare 2 categorical variables