average increase in wages

The wage of a worker in a factory was $4.50 per hour in 1990 and it increased to $6.25 per hour in the year 1998. Find the percent of increase. => 49% or 34% or 44% or 39%..

The graph shows the relationship between earnings of a server in a hotel and the number of customers he serves. His daily wage is $27 and his average tip for a customer is $3. If he earned $33 yesterday, how many customers did he serve yesterday? => 6 or 2 or 3 or 4..

Increase in air temperature - popularly called as global warming - refers to mean temperature of entire globe averaged over all months and all places. Hence, the change in temperature at a place, in a particular month, may or may not match closely with change in temperature of ..

The average annual salary in a district is $30,000. Assuming that the salaries were normally distributed for a certain group of wage earners with a standard deviation of $5,000, what is the probability that for a randomly selected sample of 70 earners the mean salary falls below..

The line graph shows the average temperatures of two cities during six months. Up to which month did the temperatures of both the cities follow an increasing trend? => January or May or November or July..

The average length of a person's hair at birth is 0.38 inches. The length of the hair increases by about 10% each day during the first six weeks. Choose a model that represents the average length of the hair during the first six weeks. => y = 0.38(1.1) t or y = 0.38(0...

The average annual rate of increase in population of a country is 0.7% and the population in 1996 was about 263 million . Find the growth factor for the population of the country. => 1.07 or 1.007 or 1.0007 or 1.7..

The average annual rate of increase in population of a city is 0.5% and the population in 1996 was about 1.72 million. If the growth continues, then predict the population of the city in the year 2002 . => 1.77 million or 0.95 million or 1.25 million or 0.12 million..

The average annual rate of increase in population of a country is 0.8% and the population in 1996 was about 290 million . Find the growth factor for the population of the country. => 1.8 or 1.0008 or 1.08 or 1.008..

Select the statements where inferential statistics is used. I. The average annual salary of a software engineer in the age group of 23 - 25 is $50,000. II. Increase in the price of steel from 1990 to 1995 was 37%. III. The number of students getting enrolled in a university ..