Basic Stat Day 2 Quiz

If we conduct a census, then we can use methods in Descriptive Statistics in order to summarize the collected data and come up with conclusions about the population of interest.

• TRUE

• FALSE

The parameter can be computed from the sample data using inferential statistics.

• TRUE

• FALSE

What is the level of measurement of the customer satisfaction for a product using the following scale:

1-Very Dissatisfied, 2- Dissatisfied, 3-Neutral, 4-Satisfied, 5-Very Satisfied?

• nominal

• ordinal

• interval

• ratio

What is the level of measurement of the blood type with the following possible values:

Blood types—O, A, B, AB?

• nominal

• ordinal

• interval

• ratio

______ is the process of collecting data by asking questions from every element in the population.

1. Probability sampling methods assign equal chances of inclusion for each element in the population to be part of the sample.

• TRUE

• FALSE

A student observed that he is spending a lot of time on social media. To limit his exposure, he decided to randomly select a TikTok video and only watch every sixth video thereafter. What type of probability sampling method does the student used?

• simple random sampling

• stratified sampling

• systematic sampling

1. The use of a horizontal bar chart is preferred over a column chart when comparing the magnitudes for the different categories of a qualitative variable.

• TRUE

• FALSE

1. The DOH wants to show the monthly pertussis cases through time to observe a sudden change in the trend that indicates the wave of cases. The most appropriate chart to use is ______.

• line chart

• vertical bar graph

• pie chart

• scatterplot

1. The _________ shows the overall picture of the distribution of the observed values in the data set.

• array

• frequency distribution table

• histogram

• scatterplot