the role of calculators in math education

Use the data in the table to find the ratio of the expenditure for elementary and secondary school education to that of the expenditure for higher education in the year 2000. => 4 : 5 or 1 : 4 or 3 : 2 or 1 : 8..

Calculation of Standard Deviation for discrete series - In the discrete series, when deviations are taken from actual mean, the formula ..

The histogram shows the number of students of a school who went on Educational Tour during the past few years. How many more students went on Educational Tour during 94 - 95 than those during 98 - 99? => 75 or 100 or 25 or 50..

Every month a family spends 40% of money on food, 20% on house rent, 10% on education, 5% on clothes and 25% on miscellaneous. What is the measure of central angle made by the education in a circle graph? => 72 o or 36 o or 90 o or 45 o..

In the discrete series, when deviations are taken from actual mean, the formula is: ..

The scatterplot shows the details of a survey by John on population of 10 cities and the number of educational institutes in these cities. => The correlation will not change. or The correlation will be weaker. or The correlation will be negative. or There will be no correlation...

The circle graph shows the monthly expenditure of Mike. Find the difference between the fractions spent on his education and health. => 2 10 or 1 10 or 3 5 or 3 10..

Calculate the missing percentage from the circle graph. => 45 or 60 or 75 or 55..

Which of the following can be calculated only for a cone but not for a cylinder? => volume or base area or curved surface area or slant height..