Managarial Statistics

firms use statistical sampling procedures when conducting audits for their clients.

• Finance

• Marketing

• Production

• Accounting

(…………………….)data are often the results of measurements like lengths, weights, or times. (e.g. distance traveled, weight of luggage

• Continuous

• Discrete-data

• Qualitative

• Probability

Which of the following is a secondary data?

• Questionnaire

• Observation

• Documents

• Interview

Which type of frequency distribution is used for nominal-level or ordinal-level data?

• Grouped Frequency Distribution

• Cumulative Frequency Distribution

• Categorical Frequency Distribution

• Relative Frequency Distribution

Which of the following is a circular chart divided into sections or wedges based on the percentage of frequencies in each category of the distribution?

• Bar graph

• pie graph

• Histogram

• Line graph

Which of the following is a statistical technique used to determine the degree to which two or more variables are related?

• Regression

• Correlation

• Classification

• Frequency Distribution

What is it called when an increase in the value of one variable results, on average, in a corresponding increase in the value of another variable?

• Negative correlation

• No correlation

• Positive correlation

• Causal relationship

What is the term for a collection of values of a variable recorded at different time periods?

• Cross-sectional data

• Categorical data

• Descriptive statistics

• Time series

Which component of a time series represents its long‑term movement over many years?

• Secular trend (long‑term variation)

• Seasonal variation

• Cyclical variation

• Irregular variation

Which component of a time series refers to short-term, unpredictable fluctuations that do not follow any regular pattern?

• Seasonal variation

• Cyclical variation

• Irregular variation

• Secular trend