Home › AP Statistics › Statistics › Continuous Random Variables › The heights of radish plants are given as an exa…
The heights of radish plants are given as an example of which kind of variable?
ADiscrete counted
BCategorical named
COrdinal ranked
DContinuous random
Answer & Solution
Correct answer: D. Continuous random
1. Measurements that can take any value in a range are continuous.
2. Heights are measured rather than counted.
3. The heights of these radish plants are continuous random variables.
4. A count of plants would instead be a discrete variable.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 5 'Continuous Random Variables', sections 5.1-5.3_
Related questions
Finding the 90th percentile of a smiling-time distribution means finding the value below wThe pdf and the cdf differ in that the cdf gives:If X ~ U(0, 10), the probability that x lies between 2 and 4 comes from the area that is:Because P(x = c) is zero for a continuous variable, P(c < x < d) and P(c <= x <= d) are:The exponential distribution's memorylessness means past waiting time affects future waitiIn the customer-arrival example, time between customers is exponential with a mean of:Calculations with the exponential distribution require knowledge of which quantity?The probability P(c < x < d) is the area under the curve, above the x-axis, and: