Question

the salaries of the employees at four companies are summarized below. answer the questions about them. company a: the mean salary is $34,000 and the range of salaries is $63,000. company b: the mean salary is $35,000 and the range of salaries is $53,000. company c: the mean salary is $30,000 and the range of salaries is $61,000. company d: the mean salary is $31,000 and the range of salaries is $54,000. (a) based on the information above, which company has the lowest salaries on average? ● company a ● company b ● company c ● company d (b) based on the information above, which companys salaries have the least variability? ● company a ● company b ● company c ● company d

Explanation:

Step1: Identify mean salaries

Company A: $\$34,000$; Company B: $\$35,000$; Company C: $\$30,000$; Company D: $\$31,000$

Step2: Find lowest average salary

Compare means: $\$30,000 < \$31,000 < \$34,000 < \$35,000$

Step3: Identify salary ranges

Company A: $\$62,000$; Company B: $\$59,000$; Company C: $\$61,000$; Company D: $\$54,000$

Step4: Find least variability

Compare ranges: $\$54,000 < \$59,000 < \$61,000 < \$62,000$

Answer:

(a) Company C
(b) Company D