Teachers are being trained to standardize the scores they give to students' essays. The same essay was scored by 10 different teachers at the beginning and at the end of their training. The results are shown in the tables. Scores for Essay at Beginning of Teachers' Training 81 68 78 94 68 85 16 Scores for Essay at End of Teachers' Training 81 83 77 85 81 81 79 83 Calculate the MADS for the teachers' scores. Did the teachers make progress in standardizing their scores? (select) the MAD before the training was and the MAD at the end of the training is so (select) was made toward standardizing test scores.

Q: A. Two golfing venues offer bays that customers con reserve to play various golf ing games. The…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: I also Need help with part D please

A: The correlation coefficient is 0.8137.

Q: can you do the next two parts please

A:

Q: and make it clear

A: y=3sin(2x)5cos(4x)

Q: Evaluate the following integral:

A: Given,         ∫2416-25n2dn

Q: please check my work for this problem. thank you.

A: Yes your work is correct. Well done.

Q: Please help I don't understand.

A:

Q: Let f be the exponential function defined by (2+2) f(2) = () and determine the folloving information…

A:

Q: Can you help me solve this?

A:

Q: Evaluate then simplify: Stan (4p) sec (4p)dp

A:

Q: Can someone help me with this?

A: Given that, A factory makes two products. Product A takes 4  hours on Machine 1 and 2 hours on…

Q: can you show more work

A: Solution: Given information is The ratio of water to cleaner is 5 : 1 Amount of mixed cleaner = 1…

Q: Can you show your work

A: We have given the data of the level of NE by measuring the MHPG in the patient’s urine experiencing…

Q: Can you help me and explain this a little better

A: Here, the objective is to find the area function for Kite.

Q: I need to see the work written out please.

A:

Q: Also need help completing this

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Can you answer this question please?

A: Hey, since there is multiple sub part questions posted, we will answer first three sub part…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.