Test statistics for Z-test is

• A) $z = \frac{{\bar x + \mu }}{{\frac{\sigma }{{\sqrt n }}}}$
• B) $z = \frac{{\mu - \bar x}}{{\frac{\sigma }{{\sqrt n }}}}$
• C) $z = \frac{{\bar x - \mu }}{{\frac{\sigma }{{\sqrt n }}}}$
• D) $z = \frac{{\bar x - x}}{{\frac{\sigma }{{\sqrt n }}}}$

There are basically …. types of errors

• A) Five
• B) Four
• C) Two
• D) Three

If Many of the Observation lies on the line or closest to the line

• A) Doesn’t follows the Normal distribution
• B) Follows the Normal distribution
• C)
• D)

If the sample size is less then 30 and the standard deviation is unknown then we will apply

• A) T-test
• B) Z- test
• C) F-test
• D) Both a and b

P- value for the two tailed test is

• A) Two tailed Test: P-value = $2(1 - NORM.S.DIST( \left| {{z_\alpha }} \right|, TRUE)$
• B) Two tailed Test: P-value = $1 - NORM.S.DIST( \left| {{z_\alpha }} \right|, TRUE)$
• C)
• D)

Rejecting the null hypothesis when it's actually true is

• A) Type I error
• B) Level of significance
• C) Power of a test
• D) Type II error

Standard normal distribution has a mean ….. and a standard deviation …..

• A) One, Zero
• B) One, Two
• C) Zero, Two
• D) Zero, One

Alternative hypothesis is denoted by

• A) \({H_1}\)
• B) \({H_0}\)
• C)
• D)

Do not rejecting the null hypothesis when it's actually false is

• A) Level of significance
• B) Power of a test
• C) Type I error
• D) Type II error

The “SPSS” is a package of programs for

• A) Manipulation
• B) All of these
• C) Analyzing
• D) Presenting data

When might you want to change the default for the ‘width’ column?

• A) When you expect there to be more digits than the default setting
• B) When there is missing data
• C) Every time you input data
• D) When you want at least two decimal places

In the Data View in the SPSS Data Editor, each row represents what

• A) A variable
• B) A case
• C) A data point
• D) A missing value

If our data use an attitude scale, what type of variable measure should we select?

• A) Ordinal
• B) Scale
• C) Nominal
• D) Both scale and nominal

In SPSS, what is the ‘Variable View’ option used for?

• A) To manipulate the actual data
• B) To set up the dataset parameters
• C) To check SPSS outputs
• D) To enter the actual raw data

What is the advantage of using SPSS over calculating statistics by hand?

• A) It equips you with a useful transferable skill.
• B) All of the other given options.
• C) It reduces the chance of making errors in your calculations.
• D) Many researchers use SPSS as it is a recognised software package.

SPSS stands for which of the following?

• A) Statistical Package for the Social Sciences
• B) Simple Program for Statistics and Sciences
• C) Statistical Package for Simple Solutions
• D) Solving Problem for the Simple Science

In which SPSS tab, the rows represent variables and the columns represent characteristics of variables.

• A) Output viewer
• B) Data editor
• C) Variable view
• D) Data view

How would you copy a scatter plot that you have just produced in SPSS?

• A) In Chart Editor, click Descriptive Statistics, copy, OK
• B) In Data Editor, open Graphs dialog box, click copy, OK
• C) In Output Viewer, select the scatter plot, right click: choose the option copy
• D) In Variable Viewer, open scatter plot, click File, copy, OK

In SPSS, the Data View window looks like Excel Sheet. By default, "rows" in Data View are labeled as:

• A) Row1, Row2, Row3 ...
• B) R1, R2, R3 ...
• C) I, II, III ...
• D) 1, 2, 3 ...

How many type of spreadsheet in SPSS

• A) Five
• B) Four
• C) Two
• D) Three