Algebra Worksheets, Online Math Tutoring – Pre Algebra Math Tutor, Algebra Tutor,  Algebra Help, Algebra Tutoring,  Algebra 1 Help, Algebra 2 Help,  Homework Help, Math Help,  Math Word Problems
Algebra Worksheets, Online Math Tutoring – Pre Algebra Math Tutor, Algebra Tutor,  Algebra Help, Algebra Tutoring,  Algebra 1 Help, Algebra 2 Help,  Homework Help, Math Help,  Math Word Problems
Scatter Plots Problems

Q1.

Cost of laying a cable comprises of a fixed amount of $5000 for every 50 feet and a variable cost of $3000 for the first 50 feet, $2400 for the next 50 feet, $1920 for the next 50 feet and so on?

  1. Calculate the total 50 feet and so on
  2. Show that the total variable cost can not exceed $15000

 

 

 

 

 

 

 
Q2.

A factory is producing and stockpiling metal sheets to be shipped to an automobile manufacturing plant.The factory ships only when there is a maximum of 2050 sheets in stock.

The given table shoes the day, x and the number of sheets in stock,
 
Fit a straight line curve and find the day in which the sheets will be shipped

 

 

 

 

 

 

 

Q3.

Fit a straight line curve and find the day in which the sheets will be shipped

  1. Construct a scatter plot
  2. Fit a straight line curve
  3. Estimate the height of the plant at the end of the 10th week.
 

 

 

 

 

 

 

Q4.
The given table shoes the height to the nearest inch and the weight to the nearest pound of a sample of 12 male student drawn at random from the first year student at state college.
  1. Obtain a scatter diagram of the data
  2. Construct a line that approxim ates the data
  3. Estimate the weight of a student whose height is known to be 63 inch
  4. Estimate the weight of a student whose height is known to be 168 1b

 

 

 

 

 

 

Q5.
Given the final grades in algebra and physics obtained by 10 students selected
at random from a large group of students.
  1. If a student receives a grade of 75 in algebra, what is her expected grade in physics?
  2. If a student receicves a grade of 55 in physics, what is her expected grade in algebra?

 

 

 

 

 

 

 

Q6.

The following are the annual premiums for an insurance policy of $1000 for persons of different age. Fit a first degree curve by taking premium as dependant on age. Also find the premium for a person who is aged 26.

 

 

 

 

 

 

 

Algebra Worksheets, Online Math Tutoring – Pre Algebra Math Tutor, Algebra Tutor,  Algebra Help, Algebra Tutoring,  Algebra 1 Help, Algebra 2 Help,  Homework Help, Math Help,  Math Word Problems