Question

Define relative error:​

Answer 1

Relative error :

Relative error is a measure of the uncertainty of measurement compared to the size of the measurement. It's used to put error into perspective.

For example, an error of 1 cm would be a lot if the total length is 15 cm, but insignificant if the length was 5 km.

Formula :

$\delta=\left|\frac{v_A-v_E}{v_E}\right|\times100\%\\\delta=percent\:error\\v_A=actual\:value\:observed\\v_E=expected \:value$

Answer 2

Explanation:

ɪɴ ᴡᴏʀᴅꜱ, ᴛʜᴇ ᴀʙꜱᴏʟᴜᴛᴇ ᴇʀʀᴏʀ ɪꜱ ᴛʜᴇ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴏꜰ ᴛʜᴇ ᴅɪꜰꜰᴇʀᴇɴᴄᴇ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴇxᴀᴄᴛ ᴠᴀʟᴜᴇ ᴀɴᴅ ᴛʜᴇ ᴀᴘᴘʀᴏxɪᴍᴀᴛɪᴏɴ. ᴛʜᴇ ʀᴇʟᴀᴛɪᴠᴇ ᴇʀʀᴏʀ ɪꜱ ᴛʜᴇ ᴀʙꜱᴏʟᴜᴛᴇ ᴇʀʀᴏʀ ᴅɪᴠɪᴅᴇᴅ ʙʏ ᴛʜᴇ ᴍᴀɢɴɪᴛᴜᴅᴇ ᴏꜰ ᴛʜᴇ ᴇxᴀᴄᴛ ᴠᴀʟᴜᴇ. ᴛʜᴇ ᴘᴇʀᴄᴇɴᴛ ᴇʀʀᴏʀ ɪꜱ ᴛʜᴇ ʀᴇʟᴀᴛɪᴠᴇ ᴇʀʀᴏʀ ᴇxᴘʀᴇꜱꜱᴇᴅ ɪɴ ᴛᴇʀᴍꜱ ᴏꜰ ᴘᴇʀ 100.

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