Understanding Histograms and Sample Size

The video tutorial explains how to interpret a histogram that summarizes the sugar content in organic snacks. It describes the horizontal and vertical axes, showing intervals and frequencies, respectively. The tutorial guides viewers through calculating the sample size by summing the frequencies of each interval, resulting in a total of 47 snacks. The video aims to help viewers understand data representation and analysis using histograms.

What type of data is being collected in the video?

• Amount of sugar in organic snacks

• Calories in fast food

• Fat content in dairy products

• Protein content in vegetables

What does the horizontal axis of the histogram represent?

• Types of snacks

• Time of consumption

• Intervals of sugar amount

• Frequency of snacks

How is the frequency of snacks shown in the histogram?

• By the height of the bars

• By the number of bars

• By the color of the bars

• By the width of the bars

What is the frequency of snacks in the third interval?

• Fourteen

• Nine

• Four

• Ten

Which interval has the highest frequency of snacks?

• Second interval

• Fifth interval

• First interval

• Fourth interval

What is the frequency of snacks in the sixth interval?

• Nine

• Ten

• Four

• Three

What is the total sample size of the data set?

• 40

• 45

• 50

• 47