yes
interval
No, blood pressure is not categorical data; it is considered continuous or numerical data. Blood pressure measurements, typically expressed in millimeters of mercury (mmHg), can take on a wide range of values and can be measured with precision. Categorical data, on the other hand, consists of distinct categories or groups without an inherent order, such as blood type or gender.
The most reputable blood pressure monitors are those made by the USDA, or the United States Data Association who make such devices as blood pressure monitors.
interval data
Interval data is data divided into rangers, where the distance between intervals is the important data being looked at. In experiments this is used to help show if data's closely collected around an expected area or not.
write an interval and a scale for the data set 55,30,78,98,7, and 45
Which contains the fewest data values
A confidence interval of x% is an interval such that there is an x% probability that the true population mean lies within the interval.
What is the convenient scale and interval to use for graphing each set of data set?
You find the the smallest and largest values. The interval is the largest minus the smallest.
Yes.
Yes, they do exist.