Find the Standard Score (z-score) round to 2 decimal places and the standard deviation Option Amazon...

Find the Standard Score (z-score) round to 2 decimal places and the standard deviation

Option	Amazon Description of Item	Price	Standard Score (z-score) (round to 2 decimal places)
1	Beginner Acoustic Guitar Set	$84.99
2	Brazilian Double Hammock	$27.99
3	MMIZOO Resistance Loop Exercise Bands (set of 5)	$9.99
4	Big and Tall Office Chair	$185.99
5	Adjustable Laptop Bedstand Table	$32.98
6	HP Envy Pro 6455 Wireless All-in-One Printer	$149.99
7	Apple Watch Series 3	$169.00
8	Waterproof Portable Bluetooth Speaker	$79.90
9	Ninja Air Fryer	$99.99
10	Breakfast Sandwich Maker	$24.99

Solutions

Expert Solution

The standard deviation and the mean comes out to be -

mean	86.58
S.D	60.74

The z-score can be calculated using -

Options	Amazon Description of Item	Price	Standard score
1	Beginner Acoustic Guitar Set	84.99	-0.03
2	Brazilian Double Hammock	27.99	-0.96
3	MMIZOO Resistance Loop Exercise Bands(set of 5)	9.99	-1.26
4	Big and Tall Office Chair	185.99	1.64
5	Adjustable Laptop Bedstand Table	32.98	-0.88
6	HP Envy Pro 6455 Wireless All-in-One Printer	149.99	1.04
7	Apple Watch Series 3	169	1.36
8	Waterproof Portable Bluetooth Speaker	79.9	-0.11
9	Ninja Air Fryer	99.99	0.22
10	Breakfast Sandwich Maker	24.99	-1.01

orchestra answered 1 year ago

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