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Charra [1.4K]
2 years ago
6

A graduate statistics class is unhappy with the midterm grades. The majority of students scored 45 or below on a 100-point scale

, with just several students performing very well. Which type of distribution do the test scores represent?
a) nominal
b) negatively skewed
c) normal
d) positively skewed
Mathematics
2 answers:
Sunny_sXe [5.5K]2 years ago
7 0

Answer:

a for sure

Step-by-step explanation:

murzikaleks [220]2 years ago
4 0

Answer:OI>>>

Step-by-step explanation:

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Mr. Molesky observes a group of monkeys for 24 hours to learn about their behavior. He records how long they slept (in hours), h
Vlad1618 [11]

Answer:

Explained below.

Step-by-step explanation:

The complete question is:

Mr. Molesky observes a group of monkeys for 24 hours to learn about their behavior. He records how long they slept (in hours), how many bananas they ate, gender, age (in years), and the specific breed of monkey.

(a) What are the individuals in this data set?

(b) Identify the variables that were recorded, and indicate whether each one is categorical or quantitative?

Solution:

(a)

The term "individuals", in statistics, implies or denotes the objects or people included in a statistical study.

In this case it is provided that Mr. Molesky observes a group of monkeys for 24 hours to learn about their behavior.

So, the "individuals" in this data set are the monkeys.

(b)

Categorical variables belong to a certain category or label values. Such as gender of a person, state from which a person is from, color of the marble and so on.

Quantitative variables are those variables that assume numerical values and represent some sort of measurement. Such as height, weight, annual income of the people working at the same place and so on.

In this case the variables are:

Number of bananas the monkeys ate - Quantitative variable

Gender - Categorical variable

Age (in years) -  Quantitative variable

Specific breed of monkey - Categorical variable

5 0
3 years ago
Find an equation of the line through the given point and perpendicular to the given line
s344n2d4d5 [400]

Answer:

Step-by-step explanation:

The equation of a straight line can be represented in the slope-intercept form, y = mx + c

Where c = intercept

For two lines to be perpendicular, the slope of one line is the negative reciprocal of the other line. The equation of the given line is

y = 2x - 2

Comparing with the slope intercept form,

Slope, m = 2

This means that the slope of the line that is perpendicular to it is -1/2

The given points are (-3, 5)

To determine c,

We will substitute m = -1/2, y = 5 and x = - 3 into the equation, y = mx + c

It becomes

5 = -1/2 × - 3 + c

5 = - 3/2 + c

c = 5 + 3/2

c = 13/2

The equation becomes

y = -x/2 + 13/2

4 0
3 years ago
Reuben rented a truck for one day. There was a base fee of $15.99, and there was an additional charge of 86 cents for each mile
RUDIKE [14]

Answer:He drove it for 126 miles

Step-by-step explanation:

3 0
2 years ago
Lester's Pizza sells pizza by the slice for lunch. Today, there are 80 slices ready for lunch, including 12 slices of pepperoni
Oxana [17]
Whats the questions your asking?
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2 years ago
Q5. Find the simple interest on $950 at 6% per annum for three years.
sveticcg [70]

Answer:

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Step-by-step explanation:

=PRN

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hope this helps and makes sense :))

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3 years ago
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