Answer
To find mean of data add all the numbers in the set of data and divide the sum by the number of addends.
To find range, identify the difference between the highest value and lowest value in the set of data.
Explanation
Mean, mode, median and range are the primary measurements used to get the measures of central tendencies. To get the mean and range; first arrange the data in an ascending order, then identify the highest value and the lowest value in the set. The difference between these two data values gives the range of the set of values. For the mean, add all the set of values and then divide their sum with the number of values in the set of data.
Answer:
To sum up all the advantages of using the relational database over any other type of database, a relational database helps in maintaining the data integrity, data accuracy, reduces data redundancy to minimum or zero, data scalability, data flexibility and facilitates makes it easy to implement security methods.
Explanation:
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Answer:
Hard disk drives (HDD), which use one or more rotating discs and rely on magnetic storage, and solid-state drives (SSD), which have no moving mechanical parts, but use flash memory like the kind found in USB flash drives.
Explanation:
Answer:
2.489 dB
Solution:
As per the question:
Power ratio, 
The Equivalent of this power ratio in decibel or dB is calculated by taking the log of the power ratio as below:


Thus the value of the power ration in decibel comes out to be 2.489 dB
The best and the most correct answer among the choices provided by the question is the first choice. We can infer from the excerpt that <span>Jim felt important enough to place his full name on the mailbox when he enjoyed a higher income. </span>I hope my answer has come to your help. God bless and have a nice day ahead!