Statistics Test...

What is the mode of the following data of the blood pressure levels of patients (mg/dL) in a month?

105, 90, 117, 218, 250, 293, 350, 120, 258, 120, 255, 210, 196, 185, 175, 177, 177, 123, 158, 125, 105, 70, 75, 83, 135, 120

The following table shows the weights (in lbs, rounded off to the nearest integral value) of newborns in a city hospital on the 4^th of July.

The outlier measurement of 3 lbs is that of a premature delivery and should be ignored for all statistical studies. Of the mean, median, and range of the values listed, which will change the least if the 3 lbs measurement is removed from the data?

A book store has a total stock of 25 books of grades 4, 5, 6 and 7. The table below shows the number of books of each grade. Find the number of books of grade 4.

The average age of 8 persons in a committee is increased by 2 years, when two men aged 35 years and 45 years are substituted by two women. Find the average age of these two women.

The average temperature of Tuesday, Wednesday and Thursday was 42°C. The average temperature of Wednesday, Thursday and Friday was 47°C. If the temperature on Tuesday was 43°C, then the temperature on Friday was

The average height of 30 boys out of a class of 50 is 160 cm. If the average height of the remaining boys is 165 cm, the average height of the whole class (in cm) is