Sensory Evaluation Module 3.1_Quiz

What does the 'mean' measure in a data set?

• The most frequently occurring value

• The middle value

• The average value

• The range of values

What type of graph is best for showing the distribution of scores?

• Bar chart

• Histogram

• Pie chart

• Box plot

Which of the following is a measure of central tendency?

• Standard deviation

• • Range

• • Variance

• Mode

In hypothesis testing, what is the null hypothesis (H0)?

• It indicates that there is an effect or difference

• It suggests there is no effect or difference

• It proves a hypothesis is true

• It measures the size of an effect

Which of the following tests is commonly used for comparing more than two groups?

• t-test

• Chi-square test

• ANOVA

• Regression analysis

What is a p-value used for in hypothesis testing?

• To determine the significance level

• To measure the effect size

• To determine the probability of observing the data if the null hypothesis is true

• To describe the population mean

Which data type involves ranking products based on preference?

• Nominal data

• Ordinal data

• Interval data

• Ratio data

Which measure is used to describe how much scores typically deviate from the mean?

• Mode

• Median

• Standard deviation

• Range

What type of plot highlights the median, quartiles, and outliers?

• Histogram

• Box plot

• Box plot

• Scatter plot

Which of the following is a common significance level used in hypothesis testing?

• 0.05

• 0.10

• 0.50

• 0.01