1. On a job interview you ask the employer what would thestarting salary be. The interviewer says, "the average startingsalary in my company will be $80,000."

You accept the job and find out your starting salary will be$30,000.

You and 6 co-workers have a starting salary of $30,000 while theCEO's son has a starting salary of $430,000! The average (mean) is$80,000.

You think this is a misuse of statistics because the employershould have used

a).a sample instead of the entire population (suspectsamples)

b).a different average like the median (ambiguous average)

c). a lie detector

2.  

The mean of the grades: 100, 90, 100, 70, and 100.

is 92.

True or False

3. Match the key terms with theirdefinitions.

a)the certainty that the observations in our samplegroup are accurate measures of the characteristics we set out tomeasure

b)a sample drawn from a population such that each andevery member of the population has an equal chance of beingincluded in the sample. Also, every sample of the same size has anequal chance of being selected.

c)being sure that our methods and presence in no wayjeopardize our ability to use the random sample as a truerepresentative of the population

d) another term for consistency

e) a convenient method of organizing raw data into atable, using classes

f) a way to display the distribution when we want toemphasize the categories' relation to the whole

1. Pie chart 2. Frequency Distribution 3. Reliability 4.External Validity 5. Internal Validity 6. RandomSample