Homework Answers
Add Answer to:
An entire Science class took a test, and the results are broken down below based on...
Suppose that 20% of the students who took a test from school A, and that the...
Suppose that 20% of the students who took a test from school A, and that the average of their scores on the teat was 80. Suppose that 30% of the students were from school B, and the average scores of the school is 76. Finally, suppose that 50% of the students are from school C , and that the average for yhat school is 84. If a student is selected at random from the entire group that took the test,...
The table shows a student's record of performance on five tests. On which test did the...
The table shows a student's record of performance on five tests. On which test did the student rank the highest in relation to the other students in class? (assume that the test scores on each test are normally distributes.) Explain and show your answer. Test Number Student's Score Class Mean Class Standard Deviation 1 85 76 3 2 87 89 7 3 94 88 4 4 88 80 6 5 82 72 5
The scores on a test from an entire class (ie. entire population) are listed below. Find...
The scores on a test from an entire class (ie. entire population) are listed below. Find the mean and standard deviation of the scores. Then determine what percent of the data is within 1 standard deviation of the mean. 71 72 71 82 79 65 77 71 73 78 75 The mean is 74 (Simplify your answer) The standard deviation is 4.6 (Simplify your answer. Round to the nearest tenth) % of the data is within 1 standard deviation of...
Bob got an 85 on a test. His class had a mean score of 80 with...
Bob got an 85 on a test. His class had a mean score of 80 with a standard deviation of 3. Mary got a score of 79 on a test. Her class's mean score was 72 with a standard deviation 4. Which student performed better relative to their classmates?
ine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between...
ine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between 0 (0%) and 10 (100%). Their scores are listed below. Student Raw Score A 4 B 5 C *5* D 6 E 6 F 6 G 7 H 7 I 8 The class mean is 6, median is 6 , mode is 6 , range is 4 , and standard deviation is 1.1(round to one decimal place). Look at Student C's score. The score...
Nine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between...
Nine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between 0 (0%) and 10 (100%). Their scores are listed below. Student Raw Score A 4 B 5 C *5* D 6 E 6 F 6 G 7 H 7 I 8 The class mean is 6, median is 6 , mode is 6 , range is 4 , and standard deviation is 1.1(round to one decimal place). Look at Student C's score. The score...
on d. If a teacher wants to increase a class test average of 62 to 70,...
on d. If a teacher wants to increase a class test average of 62 to 70, what could he or she do to each student's test score to achieve that? Add Doints to each student's to increase the cererage of scores from 42 7. a. A student scores 50 and 100 on two tests in a class. What is his average? 5oo Hoo - 150 - 75 b. Another student scores 75 and 75 on two tests in a class....
Nine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between...
Nine students in Mr. Ruiz's class all took a spelling test. Raw scores can range between 0 (0%) and 10 (100%). Their scores are listed below. Student Raw Score A 4 B 5 C *5* D 6 E 6 F 6 G 7 H 7 I 8 The class mean is 6, median is 6 , mode is 6 , range is 4 , and standard deviation is 1.1(round to one decimal place). Look at Student C's score. The score...
I need answer on number 7 please 5. Students in a statistics class took their first...
I need answer on number 7 please 5. Students in a statistics class took their first test. The following table lists the scores they earned. 67 67 76 47 85 70 87 76 67 72 84 98 84 64 65 82 81 81 88 74 87 83 Complete the following frequency distribution table using 6 classes: 40-49, 50-59, 60-69, 70-79, 80-89, and 90-99. Scores Tally Frequency Relative Frequency Cumulative Relative Frequency 40 - 49 50 - 59 60 - 69...
A teacher sets a test for a class of students. The teacher decides to analyze the...
A teacher sets a test for a class of students. The teacher decides to analyze the test results using statistical analysis techniques. Given the table of results below, complete the following tasks: CLASS RESULTS Student Test Score (%) Thomas 74 Charles 55 Sarah 81 Mathew 68 James 71 Jessica 74 Daniel 86 Jack 66 Emma 73 Laura 72 Joshua 84 Alice 68 Samantha 70 a). Calculate the Mean of the test scores. b). Calculate the Median of the test scores....
The scores on a test from an entire class (ie. entire population) are listed below. Find the mean and standard deviation of the scores. Then determine what percent of the data is within 1 standard deviation of the mean. 71 72 71 82 79 65 77 71 73 78 75 The mean is 74 (Simplify your answer) The standard deviation is 4.6 (Simplify your answer. Round to the nearest tenth) % of the data is within 1 standard deviation of...
Bob got an 85 on a test. His class had a mean score of 80 with a standard deviation of 3. Mary got a score of 79 on a test. Her class's mean score was 72 with a standard deviation 4. Which student performed better relative to their classmates?
on d. If a teacher wants to increase a class test average of 62 to 70, what could he or she do to each student's test score to achieve that? Add Doints to each student's to increase the cererage of scores from 42 7. a. A student scores 50 and 100 on two tests in a class. What is his average? 5oo Hoo - 150 - 75 b. Another student scores 75 and 75 on two tests in a class....
A teacher sets a test for a class of students. The teacher decides to analyze the test results using statistical analysis techniques. Given the table of results below, complete the following tasks: CLASS RESULTS Student Test Score (%) Thomas 74 Charles 55 Sarah 81 Mathew 68 James 71 Jessica 74 Daniel 86 Jack 66 Emma 73 Laura 72 Joshua 84 Alice 68 Samantha 70 a). Calculate the Mean of the test scores. b). Calculate the Median of the test scores....
Most questions answered within 3 hours.
-
Using α = 0.05, test if the mean weight change
is less than 0 if a...
asked 27 seconds ago -
In an isobaric compression process, the volume of steam is
reduced from 1 Mpa and 773...
asked 39 seconds ago -
blood glucose level for obese patient population have
a mean of 100 with a standard deviation...
asked 1 minute ago -
Which of the following mutations is MOST likely to be
recessive?
A.
Deletion of a haplo-insufficient...
asked 4 minutes ago -
The U.S. Department of Transportation, National Highway Traffic
Safety Administration, reported that 77% of all fatally...
asked 17 minutes ago -
For 1 through 11, create an expression using the relational
operators, the logical operators, and variable...
asked 30 minutes ago -
Remove all recursion from the following grammar:
S -> Aa | Bb
A -> Aa |...
asked 23 minutes ago -
The production budget for Manner Company shows units to be
produced as follows: July, 550; August,...
asked 33 minutes ago -
Your group is required to develop a comprehensive Business plan
that will be used as a...
asked 37 minutes ago -
a radio station transmits at 78.1 mhz. a hz is an inverse
second. how far apart...
asked 56 minutes ago -
Write the equilibrium expression for the dissociation in
water for CH5N, C2H5O2COOH, H3AsO4, KClO2, HC2H2ClO2.
asked 1 hour ago -
In risk management, insurance is an example of:
Select one:
a. Risk avoidance
b. Risk deflection...
asked 1 hour ago