Question

For each variable, determine whether it is best thought of as discrete or continuous. Variable Discrete Continuous (a) The number of insects feeding on a tree leaf (b) The number of damaged chromosomes on a petri dish following irradiation (c) The lifetime, in hours, of a 100-watt light bulb manufactured by Bingley Corporation (d) The highest grade level (1st, 2nd, or 3rd) completed by a high-school dropout

Answer 1

(a) The number of insects feeding on a tree leaf: Discrete

(b) The number of damaged chromosomes on a petri dish following irradiation: Discrete

(c) The lifetime, in hours, of a 100-watt light bulb manufactured by Bingley Corporation: Continuous

(d) The highest grade level (1st, 2nd, or 3rd) completed by a high-school dropout: Discrete