Question

In: Statistics and Probability

A college student has just completed her junior year. The following table summarizes her grade-point average...

A college student has just completed her junior year. The following table summarizes her grade-point average (GPA) for each of the past nine quarters:

Year

Semester

GPA

Freshman

Fall

2.4

Winter

2.9

Spring

3.1

Sophomore

Fall

2.5

Winter

3.0

Spring

3.2

Junior

Fall

2.6

Winter

3.1

Spring

3.5
  1. Forecast the student’s GPA for all three semesters of her senior year by using ADM method.
  2. Forecast the student’s GPA for all three semesters of her senior year by using MDM method.
  3. Which method gives more reliable forecast? Why?

Solutions

Expert Solution

orchestra answered 2 years ago
Next > < Previous

Related Solutions

Do question E The following table contains the ACT scores and the GPA (grade point average)...
Do question E The following table contains the ACT scores and the GPA (grade point average) for eight college students. Grade point average is based on a four-point scale and has been rounded to one digit after the decimal. Student 1 2 3 4 5 6 7 8 GPA (y) 2.8 3.4 3.0 3.5 3.6 3.0 2.7 3.7 ACT (x) 21 24 26 27 29 25 25 30 We want to fit a straight-line model to relate GPA y to...
A student in economics has completed her undergraduate degree and has been accepted into a one-year...
A student in economics has completed her undergraduate degree and has been accepted into a one-year postgraduate business programme. Upon completion of this degree she will earn an additional $2,000 a year for each of the next 50 years. She will give up $18,000 income that she would otherwise earn and sustain additional costs of $2,000 for educational materials such as books. She cares only about the financial implications of her decisions. (a) if the interest rate for borrowing and...
A student in economics has completed her undergraduate degree and has been accepted into a one-year...
A student in economics has completed her undergraduate degree and has been accepted into a one-year postgraduate business program. Upon completion of this degree she will earn an additional $3,000 a year for each of the next 40 years. She will give up $19,500 income that she would otherwise earn and sustain additional costs of $2,000 for educational materials such as books. She cares only about the financial implications of her decisions. (a) If the interest rate for borrowing and...
1. The grade point average (GPA) of a large population of college students follows a normal...
1. The grade point average (GPA) of a large population of college students follows a normal distribution with mean 2.6, and standard deviation of 0.5. Students with GPA higher than 3.5 are considered “exceptional”, 3.0 to 3.5 are considered to be “good”, 2.0 to 3.0 are considered “average”, and below 2.0 are considered to be “poor”. (a) For a randomly selected student, what is the probability that he has a “good” GPA? 
 (b) Suppose 10 students are randomly selected. Let...
Ana is a 15-year-old high school student who is active in school activities, loves to run and bike, and has a 3.95 grade point average
  Ana is a 15-year-old high school student who is active in school activities, loves to run and bike, and has a 3.95 grade point average. She has a close group of friends that she spends her free time with; her parents are very proud of her for her outstanding academic performance. School Nurse Visit: Ana is being seen at the school clinic for a sore throat and fever. The nurse takes her height (5’3”) and weight (107 lb). Ana...
The followings table gives information on GPAs (grade point average) and starting salaries (rounded to the...
The followings table gives information on GPAs (grade point average) and starting salaries (rounded to the nearest thousand dollars) of seven recent college graduates.   GPA 2.90 3.81 3.20 2.42 3.94 2.05 2.25 Starting Salary 23 28 23 21 32 19 22 1) Predict the starting salary for a student graduating with a 3.60 GPA. (Enter your answer in thousands of dollars rounded to two decimal places. Such as 12,345.67) 2) Predict the starting salary for a student graduating with a...
The followings table gives information on GPAs (grade point average) and starting salaries (rounded to the...
The followings table gives information on GPAs (grade point average) and starting salaries (rounded to the nearest thousand dollars) of seven recent college graduates.   GPA 2.90 3.81 3.20 2.42 3.94 2.05 2.25 Starting Salary 23 28 23 21 32 19 22 1) Predict the starting salary for a student graduating with a 3.60 GPA. (Enter your answer in thousands of dollars rounded to two decimal places. Such as 12,345.67) 2) Predict the starting salary for a student graduating with a...
In a given year, the grade point average (GPA) of Statistics majors at the University of...
In a given year, the grade point average (GPA) of Statistics majors at the University of South Carolina is Normally distributed with and . Answer the following. ?=2.1?=0.25a. What GPA interval contains the middle 95% of all students? Sketch this.
The grade point average for 10 randomly selected college students is: (Please show all work and...
The grade point average for 10 randomly selected college students is: (Please show all work and label if it's answer a, b, c.) 2.9, 3.1, 3.4, 3.6, 3.1, 4.0, 2.5, 3.7, 3.0, 2.5 (Assume the sample is taken from a normal distribution) a) Find the sample mean. (Show all work) b) Find the sample standard deviation. c.) Construct a 99% C.I. for the population mean.
Assume Maple Corp. has just completed the third year of its existence (year 3). The table...
Assume Maple Corp. has just completed the third year of its existence (year 3). The table below indicates Maple’s ending book inventory for each year and the additional I.R.C. §263A costs it was required to include in its ending inventory. Maple immediately expensed these costs for book purposes. In year 2, Maple sold all of its year 1 ending inventory, and in year 3 it sold all of its year 2 ending inventory. Ending book inventory $ 2,680,000 $ 3,132,500...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT