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algol13
4 years ago
5

Identify whether each of the datasets is quantitative or qualitative a. Types of computer software used in a database management

system. b. Life-lengths of laser printers c. Brands of calculators used by 100 engineering students on campus d. Mileage attained by 12 automobiles powered by alcohol
Mathematics
1 answer:
lbvjy [14]4 years ago
8 0

Answer:

a. Types of computer software used in a database management system. =Qualitative

b. Life-lengths of laser printers =Quantitative

c. Brands of calculators used by 100 engineering students on campus =Qualitative

d. Mileage attained by 12 automobiles powered by alcohol= Quantitative

Step-by-step explanation:

Data is described as quantitative when it deals with numeric values whereas qualitative data is categorical in nature. Quantitative data tells us how much, how many, or the frequency of occurrence of certain variables. Qualitative data provides answers to the what, why, which, and where questions.

1. Types of computer software are not numeric variables as they answer the 'what' question.

2. Length deals with numbers, so the life-lengths of laser printers is a quantitative variable.

3. Brands of calculators are categorical data and are thus qualitative.

4. Mileage is a numerical variable and is thus quantitative.

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What is 7 7//8 + 2 1/4=
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Answer:

14.875

Step-by-step explanation:

77/8 = 9.625 and 21/4 = 5.25

So, 9.625+5.25 =14.875

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4 years ago
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Answer:

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3 years ago
Question 5Ginny has $10,000 in a savings account earning 4% simple interest annually. Ginny plans on savingthis money for a long
Igoryamba

ANSWER

$18,000

EXPLANATION

Ginny has $10,000 in a savings account.

The interest is 4% simple interest.

We want to calculate Ginny's total account balance after 20 years.

To do this, we will first caluclate the interest and then we will add it to the initial balance.

To calculate Simple Interest, we use:

\text{Simple Interest = }\frac{P\cdot\text{ R }\cdot\text{ T}}{100}

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R = rate = 4%

T = time = 20 years

Therefore:

SI\text{ = }\frac{10000\cdot\text{ 4 }\cdot\text{ 20}}{100}\text{ = \$8000}

Therefore, her account balance after 20 years is:

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3 0
2 years ago
The table shows some of the values of a function of the form y=ax^2+bx+c which is the value of c, the constant, the constant for
cupoosta [38]

Answer:

c=8

Step-by-step explanation:

Given: y=ax^2+bx+c

To find: c

Solution:

At x=4,y=48:

48=16a+4b+c    (i)

At x=5,y=73:

73=25a+5b+c    (ii)

At x=6,y=104:

104=36a+6b+c   (iii)

On subtracting (i) and (ii),

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On subtracting (i) and (iii),

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On subtracting (iv) and (v),

a=3

Put a=3 in (iv)

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Put a=3,b=-2 in (iii)

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5 0
3 years ago
On 1 May 2012, the cost of 5 grams of gold was 14 000 rupees.
navik [9.2K]

Answer:

51,800 rupees

Step-by-step explanation:

Cost of 5 grams of gold on 1 May 2012 = 14 000 rupees.

The cost of gold decreased by 7.5% from 1 May 2012 to 1 May 2013

Cost of 5 grams of gold on 1 May 2013 = 14,000 - 7.5% of 14,000

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Work out the cost of 20 grams of gold on 1 May 2013

Since, there are four 5 grams of gold in 20 grams of gold

Therefore,

Cost of 20 grams of gold on 1 May 2013 = 12,950 rupees × 4

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4 0
3 years ago
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