Statistics and Probability Quiz

What is the mode of the given data 12, 6, 9, 8, 10, 5, 12, 7?

• 9

• 10

• 10.5

• 11

• 12

In a math test, eight students obtained the following scores: 12, 10, 13, 11, 15, 20, 19, and 17. What is the median score?

• 13

• 14

• 15

• 16.5

• 17

In a statistics test, seven students obtained the following scores 48, 62, 62, 98, 76, 88, 70. What is the median score?

• 62

• 70

• 76

• 88

• 98

Find the mean, the median, and all the modes for the pay rates in the given frequency distribution. Round your answers to two decimal places. Hourly pay rates for employees Frequency 9.00 4 12.50 29 15.50 7 20.00 4

• Mean: $18.53, Median: $14.00 Mode: $12.50

• Mean: $14.25, Median: $14.00 Mode: $15.50

• Mean: $13.34, Median: $12.50 Mode: $12.50

• Mean: $13.34, Median: $14.00 Mode: $15.50

• Mean: $14.25, Median: $14.00 Mode: $12.50

The following daily temperatures were recorded at three-hour intervals. Find the midrange of the data. Round your answer to one decimal place, if necessary. 54o, 58o, 65o, 69o, 71o, 67o, 65o, 65o, 60o

• 57o

• 65.5o

• 67o

• 62.5o

• 60o

So far in art class, a student's quiz scores are 89%, 90%, 82%, and 77%. What score does the student need on the fifth quiz to have a mean quiz score of 87%? All the quizzes have equal weights. Round your answer to the nearest whole number.

• 85%

• 87%

• 90%

• 95%

• 97%

It is the science of collecting, organizing, analyzing, and interpreting data to make decisions.

• Probability

• Statistics

• Population

• Mathematics

It is the collection of all outcomes, responses, measurements, or counts that are of interest..

• Probability

• Statistics

• Population

• Mathematics

In a survey, 45 front liners in Dipolog City were asked if they thought there was solid evidence for COVID-19 positive. Twelve of the front liners said yes. Identify the population and the sample. Describe the data set. What is the population?

• responses of all front liners in Dipolog City

• responses of the 45 front liners in Dipolog City in the survey.

• The data set consists of 12 yes's and 33 no's.

• responses of all front liners in Dipolog City

In a survey, 45 front liners in Dipolog City were asked if they thought there was solid evidence for COVID-19 positive. Twelve of the front liners said yes. Identify the population and the sample. Describe the data set. What is the sample?

• responses of all front liners in Dipolog City

• responses of the 45 front liners in Dipolog City in the survey.

• The data set consists of 12 yes's and 33 no's.

• responses of all front liners in Dipolog City