Ten patients had their cholesterol level (given in mg/100 mL) tested. The results are as follows. Calculate the standard deviation (using a calculator).130 245 195 156 182 144 320 220 181 160

Why did most of the early publicity agencies fail?

Indicate whether this statement is true or false.

According to the text, articulation refers to

a. the pronunciation of a word b. the clarity and enunciation of words and sentences c. speaking quality d. pauses