TABLE TIME STUDY RESULTS OF HAMBURGER PREPARATION OBSERVATION Work Element 1 3 4 RF NT 1. Prepare patty 0.45 0.41 0.50 0.48 0.36 1 0.9 2. Cook first side 0.85 0.81 0.77 0.89 0.83 1 1.2 3. Flip, press, and cook other side 0.60 0.55 0.59 0.58 0.63 1.2 4. Assemble 0.31 0.24 0.27 0.26 0.32 1 1.0 Normal time per cycle (NTC) 2.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
A time study involving the preparation of hamburgers at Bill’s fast-food restaurant used the snap-back method to obtain the data (in minutes) shown in Table. Allowances typically constitute 15 percent of normal time. The schedule calls for 300 hamburgers to be prepared during the lunch rush. If each part-time employee works 190 minutes per day, how many employees will be needed?
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