In a survey, 26 voters were asked their ages. The results are shown below. Construct a histogram to represent the data (with 5 classes beginning with a lower class limit of 19.5 and a class width of 10). What is the approximate age at the center? 
Definitions:
Census
The complete enumeration or counting of a population or group at a point in time, often used in demographics and market research.
Managerial Perspective
An approach or viewpoint that focuses on strategies, decision-making, and actions from the standpoint of someone in a management role.
Sampling
The process of selecting a subset of individuals from a population to estimate characteristics of the entire population.
Population
The entire group or set of items from which a statistical sample is drawn for analysis.
Q1: Assume that you plan to use
Q2: If z is a standard normal variable,
Q5: The following data set represents Heather's
Q8: 10x1 - 4x2 = -6 6x1 -
Q9: Determine whether the samples are independent or
Q15: A group of 59 randomly selected
Q37: In one method of a procedure called
Q48: State the requirements to use the Poisson
Q56: A department store has daily mean sales
Q63: <span class="ql-formula" data-value="\begin{array} { l } -