Make sure to give an explanation for each of them!
Directions: Read each statement and determine whether the two variables are positively correlated(P), negatively correlated (N), or contain zero/no correlation (Z). Explain why you chose the answer that you did.
1. In May of last year, the number of classes Marty missed rose from 35 to 50. When grades were reported in June, Marty’s grades had dropped from A’s and B’s to D’s and F’s.
2. Elizabeth increased her practice time for the mile run from five days a week to seven days a week. After practicing, her time improved
3. A scientist wanted to conduct a study that showed the relationship between a person’s performance on a facial recognition test and a person’s height. He had a hard time conducting this experiment and showing a relationship.
5. Dillon studied very hard for his marine bio exam. His grades went up.
Answers: 1
Chemistry, 22.06.2019 09:00, tbiles99
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 22.06.2019 16:10, nauticatyson9
Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
Answers: 1
Chemistry, 23.06.2019 00:10, graceception
In as 1°, 2°, 3°, or 4°. be to . : °b: °c: °d: ° : °b: °c: °d: ° : °b: °c: °d: °e: °f: °g: °h: ° : °b: °c: °d: °e: °f: °g: °h: °i: °
Answers: 3
Make sure to give an explanation for each of them!
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