Table:
0
A
B
C
D
E
F
G
H
1
English Name
Simplified
Traditional
Pinyin
Hakka
Area
Population
Density
2
Xinluo District
新罗区
新羅區
Xīnluó Qū
Sîn-lò-khî
2,685
662,429
247
3
Zhangping City
漳平市
漳平市
Zhāngpíng Shì
Chông-phìn-sṳ
2,975
240,194
81
4
Changting County
长汀县
長汀縣
Chángtīng Xiàn
Tshòng-tin-yen
3,099
393,390
127
5
Yongding County
永定县
永定縣
Yǒngdìng Xiàn
Yún-thin-yen
2,216
362,658
164
6
Shanghang County
上杭县
上杭縣
Shàngháng Xiàn
Sông-hông-yen
2,879
374,047
130
7
Wuping County
武平县
武平縣
Wǔpíng Xiàn
Vú-phìn-yen
2,630
278,182
106
8
Liancheng County
连城县
連城縣
Liánchéng Xiàn
Lièn-sàng-yen
2,596
248,645
96

Questions and formulas:
Question: What's the sum of the population for the place simplified 上杭县 with an area smaller than 2,879?
Formula: SUM(FILTER(G1, (B1="上杭县")*(F1<2879)))
Formula2: SUM(FILTER(G2:G8, (B2:B8="上杭县")*(F2:F8<2879)))
Level: easy
Question: What's the total number of density for the place with a population over 393,390?
Formula: SUM(FILTER(H1, G1>393390))
Formula2: SUM(FILTER(H2:H8, G2:G8>393390))
Level: easy
Question: What's the average area for the xinluo district?
Formula: AVERAGEIFS(F1,A1,"xinluo district")
Formula2: AVERAGEIFS(F2:F8,A2:A8,"xinluo district")
Level: easy