C957 Unit 2 Review Module 3 exam with
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verified answers |
You |begin |a |weight-lifting |program. |For |five |weeks, |you |use |a |table |to |record |the |average |weight |you |
were |able |to |lift.
Week |Number |Weight |Lifted |(in |pounds) |
1 |20 |
2 |25 |
3 |35 |
4 |35 |
5 |40 |
What |is |the |overall |trend |for |this |data?
A) |The |amount |of |weight |you |are |able |to |lift |is |trending |positively. |
B) |There |is |no |change. |
C) |There |is |too |much |variation |in |the |data |patterns |to |describe |a |trend. |
D) |The |amount |of |weight |you |are |able |to |lift |is |trending |negatively. |- |VERIFIED |ANSWER✔✔-The |
amount |of |weight |you |are |able |to |lift |is |trending |positively.
You |are |trying |to |find |the |most |profitable |snack |in |the |snack |machine |so |you |know |what |to |order |
next |time. |The |following |table |represents |the |results:
Snack |Type |Number |of |Items |Sold |Gross |Profit
Chips |57 |$71.25 |
Cookies |48 |$72.00
Candy |82 |$82.00
Gum |120 |$60.00
, Which |type |of |snack |is |most |profitable |per |item? |- |VERIFIED |ANSWER✔✔-Cookies
Refer |to |the |following |table |predicting |a |future |with |robots |and |total |hours |saved |for |citizens.
Year |Gross |U.S. |Population |in |millions |Citizens |with |One |Robot |Total |Hours |Saved |Citizens |with |Two |
Robots |Total |Hours |Saved |Citizens |with |Three |Robots |Total |Hours |Saved
2060 |420.20 |6% |378,180,000 |4% |470,624,000 |1% |189,090,000 |
2065 |445.41 |8% |534,494,400 |6% |748,292,160 |3% |601,306,200 |
2070 |472.14 |12% |793,189,690 |9% |1,019,815,315 |4% |793,189,690 |
2075 |500.46 |16% |1,121,041,428 |12% |1,441,338,979 |6% |1,261,171,606 |
2080 |530.49 |19% |911,110,897 |13% |1,217,209,461 |7% |1,136,841,903 |
2085 |562.32 |24% |854,445,850 |14% |1,031,952,954 |8% |1,019,488,477 |
Over |what |years |was |the |total |hours |saved |for |citizens |with |one |robot |increasing? |The |options |below |
are |expressed |in |interval |notation.
A) |(2060, |2075) |
B) |(2060, |2075] |
C) |[2060, |2075) |
D) |[2060, |2075] |- |VERIFIED |ANSWER✔✔-(2060, |2075)
Charles |runs |a |small |trucking |company, |and |he |is |concerned |with |the |price |of |fuel. |Fortunately |for |
Charles, |fuel |cost |has |decreased |in |the |last |couple |of |years. |The |following |table |represents |what |
Charles's |fuel |expenses |were |for |the |last |five |years:
Year |Fuel |Cost |per |Gallon |Total |Fuel |Cost
1 |$2.23 |$ |3,230 |
2 |$2.87 |$ |3,587 |
3 |$2.32 |$ |3,248 |
4 |$2.20 |$ |2,860 |
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verified answers |
You |begin |a |weight-lifting |program. |For |five |weeks, |you |use |a |table |to |record |the |average |weight |you |
were |able |to |lift.
Week |Number |Weight |Lifted |(in |pounds) |
1 |20 |
2 |25 |
3 |35 |
4 |35 |
5 |40 |
What |is |the |overall |trend |for |this |data?
A) |The |amount |of |weight |you |are |able |to |lift |is |trending |positively. |
B) |There |is |no |change. |
C) |There |is |too |much |variation |in |the |data |patterns |to |describe |a |trend. |
D) |The |amount |of |weight |you |are |able |to |lift |is |trending |negatively. |- |VERIFIED |ANSWER✔✔-The |
amount |of |weight |you |are |able |to |lift |is |trending |positively.
You |are |trying |to |find |the |most |profitable |snack |in |the |snack |machine |so |you |know |what |to |order |
next |time. |The |following |table |represents |the |results:
Snack |Type |Number |of |Items |Sold |Gross |Profit
Chips |57 |$71.25 |
Cookies |48 |$72.00
Candy |82 |$82.00
Gum |120 |$60.00
, Which |type |of |snack |is |most |profitable |per |item? |- |VERIFIED |ANSWER✔✔-Cookies
Refer |to |the |following |table |predicting |a |future |with |robots |and |total |hours |saved |for |citizens.
Year |Gross |U.S. |Population |in |millions |Citizens |with |One |Robot |Total |Hours |Saved |Citizens |with |Two |
Robots |Total |Hours |Saved |Citizens |with |Three |Robots |Total |Hours |Saved
2060 |420.20 |6% |378,180,000 |4% |470,624,000 |1% |189,090,000 |
2065 |445.41 |8% |534,494,400 |6% |748,292,160 |3% |601,306,200 |
2070 |472.14 |12% |793,189,690 |9% |1,019,815,315 |4% |793,189,690 |
2075 |500.46 |16% |1,121,041,428 |12% |1,441,338,979 |6% |1,261,171,606 |
2080 |530.49 |19% |911,110,897 |13% |1,217,209,461 |7% |1,136,841,903 |
2085 |562.32 |24% |854,445,850 |14% |1,031,952,954 |8% |1,019,488,477 |
Over |what |years |was |the |total |hours |saved |for |citizens |with |one |robot |increasing? |The |options |below |
are |expressed |in |interval |notation.
A) |(2060, |2075) |
B) |(2060, |2075] |
C) |[2060, |2075) |
D) |[2060, |2075] |- |VERIFIED |ANSWER✔✔-(2060, |2075)
Charles |runs |a |small |trucking |company, |and |he |is |concerned |with |the |price |of |fuel. |Fortunately |for |
Charles, |fuel |cost |has |decreased |in |the |last |couple |of |years. |The |following |table |represents |what |
Charles's |fuel |expenses |were |for |the |last |five |years:
Year |Fuel |Cost |per |Gallon |Total |Fuel |Cost
1 |$2.23 |$ |3,230 |
2 |$2.87 |$ |3,587 |
3 |$2.32 |$ |3,248 |
4 |$2.20 |$ |2,860 |
