Joanna set a goal to drink more water daily. The number of ounces of water she drank each of the last seven days is shown below.
60, 58, 64, 64, 68, 50, 57
On the eighth day, she drinks 82 ounces of water. Select all the true statements about the effect of the eighth day's amount on Joanna's daily amount distribution.
The interquartile range of the data decreases when the eighth day's amount is included in the data.
The median amount of water is higher when the eighth day's amount is included in the data.
The interquartile range of the data increases when the eighth day's amount is included in the data.
The median amount of water is the same with or without the inclusion of the eighth day's amount.
The average daily amount of water is the same with or without the inclusion of the eighth day's amount.
The correct statements are:
- The median amount of water is higher when the eighth day's amount is included in the data.
- The interquartile range of the data increases when the eighth day's amount is included in the data.
- The average daily amount of water is different with or without the inclusion of the eighth day's amount.