Mean values
The next function we will talk about - is mean. Mean (average) is probably one of the most simple and usable statistics in real life.
For example, for our audi_cars table, we can calculate the average mileage for cars manufactured in 2020. To calculate the average use AVG function followed by column name.
123SELECT AVG(mileage) FROM audi_cars WHERE year = 2020
Swipe to start coding
Using table audi_cars calculate the average price of the A4 model manufactured in 2018.
Soluzione
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The next function we will talk about - is mean. Mean (average) is probably one of the most simple and usable statistics in real life.
For example, for our audi_cars table, we can calculate the average mileage for cars manufactured in 2020. To calculate the average use AVG function followed by column name.
123SELECT AVG(mileage) FROM audi_cars WHERE year = 2020
Swipe to start coding
Using table audi_cars calculate the average price of the A4 model manufactured in 2018.
Soluzione
Cambia al desktop per esercitarti nel mondo realeContinua da dove ti trovi utilizzando una delle opzioni seguentiGrazie per i tuoi commenti!
Awesome!
Completion rate improved to 2.63single
