The manager at the local Ruby Tuesdays restaurant wanted to

The manager at the local Ruby Tuesday\'s restaurant wanted to investigate the effect of music on the average revenue per customer. Each night for one month, fast-paced music was played. The following month, slow-paced music was played every night. The average revenue per customer for each month was compared. This method of gathering data is known as __________. A) direct observation B) focus groups C) experiments D) surveys

The Graduate Management Admission Test (GMAT) is a standardized test used by schools to determine the aptitude of individuals who are applying for MBA programs. The range of the GMAT score is 200-800. Brian has recently taken the exam and scored 720. This is an example of __________ data. A) nominal B) ordinal C) interval D) ratio

The following table shows the number of bagels sold at the Avalon Coffee and Bagel over the past seven days. Day Number Sold Monday 69 Tuesday 63 Wednesday 88 Thursday 74 Friday 120 Saturday 197 Sunday 226 Which of the following data types best describe these values? A) cross-sectional B) nominal C) time series D) ordinal

Solution

The manager did experiments by play two type of musics. So the method of gethering is known as experiments. hence, option C is correct.

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Since here difference between the number is important so option C is correct.

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This is an example of time series data. hence, option C is correct.