t tables

Summary - Trigonometric tables are used - to find the value of a t-ratio when the angle is given - to find the angle when the value of the t-ratio is given As an angle increases, the sine ratio increases, the cosine ratio decreases and the tangent ratio increase..

The reading can be obtained from t-tables..

A group of students in 10 th grade went on a botanical trip. While returning from the trip, they counted the number of different kinds of shrubs collected by each student. Select the stem and leaf plot that displays their data correctly. Name of Student Different types of Shrubs collected Jim 4 Lyd..

A survey was conducted in 4 schools to determine if the proportions of students who prefer playing in the weekends are equal. The results are shown here. At α = 0.05, find the chi-square test value and test the claim that the proportions are equal. Prefer playing in weekends School A School B..

Hundred digits were chosen at random from a set of tables. The frequencies of the digits were: Digit 0 1 2 3 4 5 6 7 8 9 Frequency 8 7 13 10 12 14 8 7 9 12 At level of significance α = 0.05, find the chi-square test value and check if the digits distributed are in equal numbers in t..

A surveyor asked a group of people what would they like to do in their free time. The results are recorded in the table. Find the experimental probability of a person interested in reading magazines in his/her free time. Activity Number of people Shopping 20 Watching T.V. 24 Rea..

H T O 9 5 6 7 8 9 => 1745 or 1635 or 1735 or 1755..

H T O 7 4 5 + 5 0 5 => 1240 or 1150 or 1140 or 1250..

H T O 2 7 8 + 4 8 8 => 766 or 656 or 666 or 756..

H T O 3 7 7 + 3 6 7 => 754 or 744 or 743 or 644..