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A nonprofit company concerned with the school dropout rates has designed a tutoring program aimed at...
Find the Test Statistic and Find the P value A nonprofit company concerned with the school dropout rates has designed a...
Find the Test Statistic
and
Find the P value
A nonprofit company concerned with the school dropout rates has designed a tutoring program aimed at students between 16 to 18 years old. A national center for educational statistics reported that the high school dropout rate for the year 2000 was 10.6%. One school district, who adopted the use of the nonprofit's tutoring program and whose dropout rate has always been very close to the national average, reported in 2004 that...
(e) A teacher instituted a new reading program at school. After 10 weeks in the program,...
(e) A teacher instituted a new reading program at school. After
10 weeks in the program, it was found that the mean reading speed
of a random sample of 21 second grade students was 92.7 wpm. What
might you conclude based on this result? Select the correct choice
below and fill in the answer boxes within your choice.(Type
integers or decimals rounded to four decimal places as
needed.)
The reading speed of second grade students in a large city is...
A high school principle currently encourages students to enroll in a specific SAT prep program that...
A high school principle currently encourages students to enroll in a specific SAT prep program that has a reputation of improving score by 50 points on average. A new SAT prep program has been released and claims to be better than their current program. The principle is thinking of advertising this new program to students if there is enough evidence at the 5% level that their claim is true. The principle tests the following hypotheses: Ho = 50 points HA...
A graduate student in education has developed an mathematical intervention program for under-performing school children. To test the effectiveness of his intervention he administers a math skills ass...
A graduate student in education has developed an mathematical intervention program for under-performing school children. To test the effectiveness of his intervention he administers a math skills assessment at the beginning of the school year to a sample of n-25 students. He then implements the program throughout the year and re-assess the students again at the end of the school year. On average there was a 3 point difference between time 1 and time 2, with a variance value of...
A new program designed to improve high school student reading comprehension has been launched in ...
The answers are marked but I need them explained.
A new program designed to improve high school student reading comprehension has been launched in a major school district. Students can choose how many hours they spend participating in the program, as an alternative to some other elective courses. A researcher is interested in a possible linear relationship between the number of hours a student spends taking part in the program (X) and standardized reading test scores (Y). 100 students were...
An organization monitors many aspects of elementary and secondary education nationwide. Their 1995 numbers are often...
An organization monitors many aspects of elementary and secondary education nationwide. Their 1995 numbers are often used as a baseline to assess changes. In 1995, 33% of students had not been absent from school even once during the previous school year. In the 1999 survey, responses from 8217 randomly selected students showed that this figure had slipped to 32%. Officials would, of course, be concerned if student attendance were declining. Do these figures give evidence of a change in student...
An organization monitors many aspects of elementary and secondary education nationwide. Their 1995 numbers are often used as a baseline to assess changes. In 1995 31% of students had not been absen r...
An organization monitors many aspects of elementary and secondary education nationwide. Their 1995 numbers are often used as a baseline to assess changes. In 1995 31% of students had not been absen rom school even once during the previous month. In he 1999 survey, responses om 45 and mi selected students showed that this figure had slipped to 30%. Officials would, of course, be concerned if student attendance were declining. Do these figures give evidence of a change in student...
Questions points Answer the following questions: An entrepreneurial scientist has invented a supplement that she believes...
Questions points Answer the following questions: An entrepreneurial scientist has invented a supplement that she believes can enhance short-term memory. She conducts an experiment to test the effect of the supplement on 23 volunteers, 12 of whom are given a placebo and 11 of whom are given the supplement. In analyzing in her study, she obtains a p-value of 0.19. Which of the following is a reasonable interpretation of her results This proves that at most 19% of the time,...
Assume a normal distribution and use a hypothesis test to test the given claim According to...
Assume a normal distribution and use a hypothesis test to test the given claim According to city reports, it was found that the mean age of the prison population in the city was 26 years. He obtains a random samplo of 25 prisoners and finds a mean age of 24.4 years and a standard 20. years. Marc wants to test the claim that the mean age of the prison population in his city is less than 26 deviation of 9.2...
THE COMPANY: MORE POWER, INC. More Power, Inc., is a large, local retail store specializing in...
THE COMPANY: MORE POWER, INC. More Power, Inc., is a large, local retail store specializing in the sale and service of hardware, tools, lawn and garden implements, and other materials for the home. More Power operates seven days a week, dawn to dusk. Approximately 120 employees work in distinct divisions within the store, including customer service/return desk; warehouse and delivery; service and repair; and three distinct sections focused on (1) hardware and tools, (2) lawn and garden and outdoors, and...
Find the Test Statistic
and
Find the P value
A nonprofit company concerned with the school dropout rates has designed a tutoring program aimed at students between 16 to 18 years old. A national center for educational statistics reported that the high school dropout rate for the year 2000 was 10.6%. One school district, who adopted the use of the nonprofit's tutoring program and whose dropout rate has always been very close to the national average, reported in 2004 that...
(e) A teacher instituted a new reading program at school. After
10 weeks in the program, it was found that the mean reading speed
of a random sample of 21 second grade students was 92.7 wpm. What
might you conclude based on this result? Select the correct choice
below and fill in the answer boxes within your choice.(Type
integers or decimals rounded to four decimal places as
needed.)
The reading speed of second grade students in a large city is...
A high school principle currently encourages students to enroll in a specific SAT prep program that has a reputation of improving score by 50 points on average. A new SAT prep program has been released and claims to be better than their current program. The principle is thinking of advertising this new program to students if there is enough evidence at the 5% level that their claim is true. The principle tests the following hypotheses: Ho = 50 points HA...
A graduate student in education has developed an mathematical intervention program for under-performing school children. To test the effectiveness of his intervention he administers a math skills assessment at the beginning of the school year to a sample of n-25 students. He then implements the program throughout the year and re-assess the students again at the end of the school year. On average there was a 3 point difference between time 1 and time 2, with a variance value of...
The answers are marked but I need them explained.
A new program designed to improve high school student reading comprehension has been launched in a major school district. Students can choose how many hours they spend participating in the program, as an alternative to some other elective courses. A researcher is interested in a possible linear relationship between the number of hours a student spends taking part in the program (X) and standardized reading test scores (Y). 100 students were...
An organization monitors many aspects of elementary and secondary education nationwide. Their 1995 numbers are often used as a baseline to assess changes. In 1995, 33% of students had not been absent from school even once during the previous school year. In the 1999 survey, responses from 8217 randomly selected students showed that this figure had slipped to 32%. Officials would, of course, be concerned if student attendance were declining. Do these figures give evidence of a change in student...
An organization monitors many aspects of elementary and secondary education nationwide. Their 1995 numbers are often used as a baseline to assess changes. In 1995 31% of students had not been absen rom school even once during the previous month. In he 1999 survey, responses om 45 and mi selected students showed that this figure had slipped to 30%. Officials would, of course, be concerned if student attendance were declining. Do these figures give evidence of a change in student...
Questions points Answer the following questions: An entrepreneurial scientist has invented a supplement that she believes can enhance short-term memory. She conducts an experiment to test the effect of the supplement on 23 volunteers, 12 of whom are given a placebo and 11 of whom are given the supplement. In analyzing in her study, she obtains a p-value of 0.19. Which of the following is a reasonable interpretation of her results This proves that at most 19% of the time,...
Assume a normal distribution and use a hypothesis test to test the given claim According to city reports, it was found that the mean age of the prison population in the city was 26 years. He obtains a random samplo of 25 prisoners and finds a mean age of 24.4 years and a standard 20. years. Marc wants to test the claim that the mean age of the prison population in his city is less than 26 deviation of 9.2...
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