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galben [10]
3 years ago
12

Please solve Question 11 correctly..

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0

Answer:

i) width = 3.75

length = 4.5

ii) 6.75m^2

iii) 78.75m^2

Step-by-step explanation:

11)

i) Bedroom 1

actual width = 2.5 × 1.5

= 3.75 m

actual length = 3 × 1.5

= 4.5m

ii) Kitchen

actual width = 1.5 × 1.5

= 2.25 m

actual length = 2 × 1.5

= 3 m

actual area = 2.25× 3

= 6 .75 m^2

iii) Apartment

actual width = 5 × 1.5

= 7.5 m

actual length = 7 × 1.5

= 10. 5 m

actual area = 7.5 * 10.5

= 78.75 m ^2

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A quality engineer measured 75 bolts. The length (in mm) and the number of flaws on each of 75 bolts is recorded.
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Answer:

i)

Variables: length of bolt, number of flaws of bolt

ii)

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number of flaws of bolt: Quantitative discrete

iii)

Observational unit: Bolts

iv)

sample size=75

Step-by-step explanation:

i)

The variables in the conducted study are "length of bolt" and "number of flaws on each bolt" because quality engineer is interested in evaluating the length of bolt and the number of flaws each bolt is having. Thus, the length and number of flaws for each bolt varies and we can say that "length of bolt" and "number of flaws on each bolt" are two variables in the conducted study.

ii)

The length of bolt can be presented numerically and further that the length of a bolt is measurable and thus, the length of bolt is a quantitative continuous variable.

The number of flaws of each bolt can be presented numerically and further that the number of flaws of each bolt can be counted and thus, the number of flaws of each bolt is a quantitative discrete variable.

iii)

The conducted study indicates that observational units are "bolts" because for each bolt its length and flaws are determined.

iv)

The sample size is 75 because a quality engineer selected 75 bolts and then measured its length and flaws.

6 0
4 years ago
two times Antonio's age plus three times Sarah's age equals 34. Sarah's age is also five times Antonio's age. how old is Sarah
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Huey and Dunham (1987) measured the running speed of fence lizards, Sceloporus merriam,in Big Bend National Park in Texas. Indiv
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Answer:

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    = 0.133/1.807

     =0.0734

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treatments               0.133      2      0.066      1.069   0.3574      3.354

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Total                        1.807     29    

as p value is not significantly low:

Do the ANOVA results indicate that the null hypothesis (H0) can be rejected in favor of the alternative hypothesis (HA)? -No

Step-by-step explanation:

8 0
3 years ago
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