Question

Describe the procedure for sign test?​

Answer 1

Answer:

The Sign test is a non-parametric test that is used to test whether or not two groups are equally sized.  The sign test is used when dependent samples are ordered in pairs, where the bivariate random variables are mutually independent  It is based on the direction of the plus and minus sign of the observation, and not on their numerical magnitude.  It is also called the binominal sign test, with p = .5.. The sign test is considered a weaker test, because it tests the pair value below or above the median and it does not measure the pair difference.  The sign test is available in SPSS: click “menu,” select “analysis,” then click on “nonparametric,” and choose “two related sample” and “sign test.

Explanation:

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Answer 2

Answer:

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ᴘʀᴏᴄᴇᴅᴜʀᴇ:

ᴄᴀʟᴄᴜʟᴀᴛᴇ ᴛʜᴇ + ᴀɴᴅ – sɪɢɴ ғᴏʀ ᴛʜᴇ ɢɪᴠᴇɴ ᴅɪsᴛʀɪʙᴜᴛɪᴏɴ. ᴘᴜᴛ ᴀ + sɪɢɴ ғᴏʀ ᴀ ᴠᴀʟᴜᴇ ɢʀᴇᴀᴛᴇʀ ᴛʜᴀɴ ᴛʜᴇ ᴍᴇᴀɴ ᴠᴀʟᴜᴇ, ᴀɴᴅ ᴘᴜᴛ ᴀ – sɪɢɴ ғᴏʀ ᴀ ᴠᴀʟᴜᴇ ʟᴇss ᴛʜᴀɴ ᴛʜᴇ ᴍᴇᴀɴ ᴠᴀʟᴜᴇ. ᴘᴜᴛ 0 ᴀs ᴛʜᴇ ᴠᴀʟᴜᴇ ɪs ᴇǫᴜᴀʟ ᴛᴏ ᴛʜᴇ ᴍᴇᴀɴ ᴠᴀʟᴜᴇ; ᴘᴀɪʀs ᴡɪᴛʜ 0 ᴀs ᴛʜᴇ ᴍᴇᴀɴ ᴠᴀʟᴜᴇ ᴀʀᴇ ᴄᴏɴsɪᴅᴇʀᴇᴅ ᴛɪᴇs.