math skills skills pretest

A teacher wants 5 of her 15 students to write a skill test. In how many ways can she select 5 students? => 3008 or 2998 or 3013 or 3003..

A random sample of 81 students was tested for the problem solving approach skills. The variance of the scores obtained from the sample was found to be 144. Find the 80% confidence interval for the variance and standard deviation. Assume that the variable is normally distributed. => 122 &l..

A seminar is given to the students of five classes of a school on the importance of communication skills. The number of students of each class who attended the communication skills development classes before and after attending the seminar are listed in the table. At 95% confide..

A school enrolls students based on their performance in the written test and communication skill test. Each test has a maximum score of 75. The graph shows the inequalities that tells the status of a candidate: For admission x + y ≥ 50 For scholarship 4 x + 5 y ≥ 300 For accommodati..

A school enrolls students based on their performance in the written test and communication skill test. Each test has a maximum score of 75. The following formulae are used. For admission x + y ≥ 50 For scholarship 4 x + 5 y ≥ 300 For accommodation + food 3 x + 4 y ≥ 300 where x r..

Man has the skill of communication by which he is able to convince others about his point of view. Today graphics, tables, reasoning, estimation and prediction are playing a very important role in stating the facts in terms of figur..

Linear inequations denote a user-friendly branch of mathematics which enables us to be very comfortable with the number line and properties of numbers.Linear inequations denote a user-friendly branch of mathematics which enables us to be very comfortable with the number line and..

>Consider the following example: The wages of the skilled workers in a factory are given below: Open intervals are used when extreme scores are given. Sometimes, one more column called cumulative frequency is obtained in frequency distributio..

This tests the student's skill in detecting mistakes. Having acquired comprehensive knowledge of English grammar, he should be able to apply his skills effectively in the following exercise..

Population supplies trained and skilled labour to the country. It is important for the economic growth. If the skilled labour pioneer is properly utilised in industries, it will result in large scale production and the cost of production will fall, the price of products will dec..