Mathematics, 21.12.2019 05:31, mfr81
Asample of 161children was selected from fourth and fifth graders at elementary schools in philadelphia. in addition to recording the grade level, the researchers determined whether each child had a previously undetected reading disability. sixty-six children were diagnosed with a reading disability. of these children, 32 were fourth graders and 34 were fifth graders. similarly, of the 95 children with normal reading achievement, 55 were fourth graders and 40 were fifth graders.
a. identify the two qualitative variables (and corresponding levels) measured in the study.
b. from the information provided, form a contigency table.
c. assuming that the two variables are independent, calculate the expected cell counts.
Answers: 1
Mathematics, 21.06.2019 12:30, victoria6929
Convert 16 yards to feet use the conversion rate 3 feet = 1 yard
Answers: 2
Mathematics, 21.06.2019 17:00, daeshawnc14
Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?
Answers: 1
Mathematics, 21.06.2019 20:30, oliwia0765
Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x
Answers: 2
Mathematics, 21.06.2019 21:30, spooderfaxy7813
Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.
Answers: 1
Asample of 161children was selected from fourth and fifth graders at elementary schools in philadelp...
Mathematics, 24.09.2020 08:01
Mathematics, 24.09.2020 08:01
Social Studies, 24.09.2020 08:01
English, 24.09.2020 08:01