True or False Mathematics is a symbolic language. Cardinal numbers to tell the position of a thing in terms of first, second, third, etc. Nominal numbers are used for counting and answer the question “how many?” Unary operation accepts only one value or operand Mathematics cannot describe abstract structures. Expression is a name given to a mathematical object of interest. There is an intimate connection between the language of mathematics and the English language. People in different places were not able understand the mathematics if they cannot understand English language. The double negative is taught to be equivalent to the statement “two negatives make a positive”. An operation is binary if it takes two real numbers as arguments to produce another real number. Correlation measures the association or the strength of the relationship between two variables. The height of the person and the length of his/her hand is positively correlated The two variables are positively correlated if the values of the two variables both increase and both decrease The two variables are said to be negatively correlated if the value of one variable increases white the values of the other decrease The Pearson product-moment correlation is named after Karl Pearson Null hypothesis is the statement of what is being investigated. Alternative hypothesis is the hypothesis that is contrary with the null hypothesis Population is the total number of people living in a community Sample is the portion or part of the population T test is an statistical tool that use to find if there is significant difference between two variables The correlation coefficient of variable of x and y is also called Pearson’s correlation coefficient We need to determine the equation of the line that best fits the collected data to come up with an estimation of values Straight line can be represented by the quadratic equation We use the form y=mx+b as simple linear regression equation We can use linear regression to predict the value of one variable using the value of another variable.

True or False Mathematics is a symbolic language. Cardinal numbers to tell the position of a thing in terms of first, second, third, etc. Nominal numbers are used for counting and answer the question “how many?” Unary operation accepts only one value or operand Mathematics cannot describe abstract structures. Expression is a name given to a mathematical object of interest. There is an intimate connection between the language of mathematics and the English language. People in different places were not able understand the mathematics if they cannot understand English language. The double negative is taught to be equivalent to the statement “two negatives make a positive”. An operation is binary if it takes two real numbers as arguments to produce another real number. Correlation measures the association or the strength of the relationship between two variables. The height of the person and the length of his/her hand is positively correlated The two variables are positively correlated if the values of the two variables both increase and both decrease The two variables are said to be negatively correlated if the value of one variable increases white the values of the other decrease The Pearson product-moment correlation is named after Karl Pearson Null hypothesis is the statement of what is being investigated. Alternative hypothesis is the hypothesis that is contrary with the null hypothesis Population is the total number of people living in a community Sample is the portion or part of the population T test is an statistical tool that use to find if there is significant difference between two variables The correlation coefficient of variable of x and y is also called Pearson’s correlation coefficient We need to determine the equation of the line that best fits the collected data to come up with an estimation of values Straight line can be represented by the quadratic equation We use the form y=mx+b as simple linear regression equation We can use linear regression to predict the value of one variable using the value of another variable.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

True or False

Mathematics is a symbolic language.
Cardinal numbers to tell the position of a thing in terms of first, second, third, etc.
Nominal numbers are used for counting and answer the question “how many?”
Unary operation accepts only one value or operand
Mathematics cannot describe abstract structures.
Expression is a name given to a mathematical object of interest.
There is an intimate connection between the language of mathematics and the English language.
People in different places were not able understand the mathematics if they cannot understand English language.
The double negative is taught to be equivalent to the statement “two negatives make a positive”.
An operation is binary if it takes two real numbers as arguments to produce another real number.
Correlation measures the association or the strength of the relationship between two variables.
The height of the person and the length of his/her hand is positively correlated
The two variables are positively correlated if the values of the two variables both increase and both decrease
The two variables are said to be negatively correlated if the value of one variable increases white the values of the other decrease
The Pearson product-moment correlation is named after Karl Pearson
Null hypothesis is the statement of what is being investigated.
Alternative hypothesis is the hypothesis that is contrary with the null hypothesis
Population is the total number of people living in a community
Sample is the portion or part of the population
T test is an statistical tool that use to find if there is significant difference between two variables
The correlation coefficient of variable of x and y is also called Pearson’s correlation coefficient
We need to determine the equation of the line that best fits the collected data to come up with an estimation of values
Straight line can be represented by the quadratic equation
We use the form y=mx+b as simple linear regression equation
We can use linear regression to predict the value of one variable using the value of another variable.

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