This topic contains a solution. Click here to go to the answer

Author Question: Using the data in the above table, if income is on the x-axis and the amount spent on restaurant ... (Read 33 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
Using the data in the above table, if income is on the x-axis and the amount spent on restaurant meals is on the y-axis, the slope of the straight line graph equals
 
  A) 0.2.
  B) 0.4.
  C) 0.5.
  D) 2.5.

Question 2

The following table displays the marks obtained by three students on an economics test.
 
  Student Marks Obtained (out of 100)
  Mary 78
  Charles 83
  Tony 65
 
  a) Calculate the mean marks obtained by the three students.
  b) Suppose one of the scores was reported incorrectly. Charles scored 38 instead of 83. How will the mean change if the correction is incorporated?
  c) How does the amount of data used affect the accuracy of a model?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

johnharpe

  • Sr. Member
  • ****
  • Posts: 338
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 32% of students answer this correctly




sc00by25

  • Member
  • Posts: 596
Reply 2 on: Jun 29, 2018
:D TYSM


atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

For a complete list of videos, visit our video library