Exploring Measures of Central Tendency

What is the purpose of using guided notes in the lesson?

• To increase video playback speed

• To make the video shorter

• To provide a structured way of learning

• To avoid teaching the concepts

How is the median calculated from a set of data?

• By finding the middle value after sorting the data

• By averaging all the data points

• By selecting the most frequent data point

• By subtracting the smallest value from the largest

What is the mean of the bowling scores provided in the lesson?

• 136

• 104

• 111

• 122

If a student wants an average of 90 in their exams, what should be the total of their scores?

• 360

• 400

• 350

• 320

What does the range of a dataset tell us?

• The most frequent data point

• The average of all data points

• The middle value of the dataset

• The difference between the highest and lowest values

Which stock set shows more stability in its prices?

• Cannot be determined

• Stock set with a range of 8

• Stock set with a range of 22

• Both are equally stable

What does a smaller range in data indicate about the dataset?

• Data points are inconsistent

• There is no variability in the data

• Data points are spread out widely

• Data points are closer to the mean

What is the median number of televisions per household from the frequency table?

• 5

• 2

• 4

• 3

What is the mode of the number of televisions per household?

• 4

• 5

• 1

• 3

How can you determine the mean from a symmetric graph?

• It cannot be determined from a graph

• It is located at the center of the graph

• It is the lowest point of the graph

• It is the highest point of the graph