How do the average credit scores of people living in various cities$$ differ? The accompanying Credit Scores data contains an ordered array of the average credit scores of $150$ American cities.

a$.$ Construct a percentage histogram.

b$.$ Construct a cumulative percentage polygon.

c$.$ What conclusions can you reach concerning the average credit scores of people living in different American$$ cities?

Sun City Center, FL $753\mathrm{.}05$

Potomac, MD $748\mathrm{.}63$

Wilmette, IL $743\mathrm{.}39$

Hingham, MA $740\mathrm{.}71$

Rancho Palos Verdes, CA $738\mathrm{.}78$

McLean, VA $736\mathrm{.}37$

Ridgefield, CT $735\mathrm{.}09$

Minnetonka, MN $733\mathrm{.}76$

Palo Alto, CA $733\mathrm{.}08$

Los Gatos, CA $731\mathrm{.}75$

Orchard Park, NY $730\mathrm{.}86$

Williamsville, NY $730\mathrm{.}69$

Walnut Creek, CA $730\mathrm{.}12$

Westlake Village, CA $729\mathrm{.}58$

Seal Beach, CA $729\mathrm{.}16$

Highland Park, IL $727\mathrm{.}75$

Plymouth, MI $727\mathrm{.}02$

Pleasanton, CA $725\mathrm{.}97$

Guilford Center, CT $725\mathrm{.}64$

Princeton, NJ $725\mathrm{.}39$

Birmingham, MI $725\mathrm{.}03$

Middleton, WI $724\mathrm{.}67$

Urbandale, IA $724\mathrm{.}11$

Centennial, CO $722\mathrm{.}95$

Issaquah, WA $722\mathrm{.}37$

Okemos, MI $721\mathrm{.}76$

Alexandria, MN $720\mathrm{.}77$

Lititz, PA $720\mathrm{.}15$

Wakefield, MA $719\mathrm{.}50$

Irwin, PA $719\mathrm{.}32$

Palm City, FL $719\mathrm{.}10$

Bethpage, NY $718\mathrm{.}71$

Wauwatosa, WI $718\mathrm{.}06$

Danvers, MA $717\mathrm{.}93$

Coppell, TX $717\mathrm{.}47$

Folsom, CA $717\mathrm{.}26$

Bellevue, WA $716\mathrm{.}76$

Mokena, IL $716\mathrm{.}17$

Bel Air, MD $715\mathrm{.}31$

Huntington, NY $714\mathrm{.}78$

Diamond Bar, CA $714\mathrm{.}55$

Lansdale, PA $714\mathrm{.}24$

Keller, TX $713\mathrm{.}95$

Franklin, TN $713\mathrm{.}82$

Hopewell Junction, NY $713\mathrm{.}64$

Claremont, CA $713\mathrm{.}40$

Rochester, MN $713\mathrm{.}19$

State College, PA $712\mathrm{.}69$

Morristown, NJ $711\mathrm{.}99$

Reston, VA $711\mathrm{.}28$

Laguna Niguel, CA $711\mathrm{.}04$

Frankfort, IL $710\mathrm{.}77$

Mahopac, NY $710\mathrm{.}27$

Bridgewater, MA $710\mathrm{.}00$

Murrells Inlet, SC $709\mathrm{.}58$

Coraopolis, PA $709\mathrm{.}18$

Phoenixville, PA $708\mathrm{.}85$

Hartford, WI $708\mathrm{.}55$

Alameda, CA $707\mathrm{.}91$

Maineville, OH $707\mathrm{.}48$

Novato, CA $706\mathrm{.}96$

Thousand Oaks, CA $706\mathrm{.}71$

Royal Oak, MI $706\mathrm{.}49$

Suwanee, GA $706\mathrm{.}27$

Allen, TX $706\mathrm{.}13$

Palmyra, PA $706\mathrm{.}03$

Berkeley, CA $705\mathrm{.}74$

Farmington, MN $705\mathrm{.}47$

Palm Beach Gardens, FL $705\mathrm{.}02$

Georgetown, TX $704\mathrm{.}60$

Campbell, CA $704\mathrm{.}04$

NaN $703\mathrm{.}53$

Chino Hills, CA $703\mathrm{.}35$

Neenah, WI $702\mathrm{.}89$

San Francisco, CA $702\mathrm{.}77$

Stow, OH $702\mathrm{.}61$

North Tonawanda, NY $702\mathrm{.}39$

Peabody, MA $702\mathrm{.}20$

Maple Valley, WA $702\mathrm{.}00$

Lisle, IL $701\mathrm{.}78$

Morgan Hill, CA $701\mathrm{.}58$

Jensen Beach, FL $700\mathrm{.}99$

Hackettstown, NJ $700\mathrm{.}64$

Palm Desert, CA $700\mathrm{.}49$

Traverse City, MI $700\mathrm{.}23$

Liverpool, NY $699\mathrm{.}99$

Waukesha, WI $699\mathrm{.}88$

Indiana, PA $699\mathrm{.}74$

Marquette, MI $699\mathrm{.}66$

Morrisville, NC $699\mathrm{.}54$

Shoreline, WA $699\mathrm{.}08$

Tonawanda, NY $698\mathrm{.}45$

Draper, UT $698\mathrm{.}18$

Warrenton, VA $697\mathrm{.}68$

Oswego, IL $697\mathrm{.}60$

Somerville, MA $697\mathrm{.}33$

South Plainfield, NJ $697\mathrm{.}15$

Manitowoc, WI $697\mathrm{.}01$

Sandy, UT $696\mathrm{.}89$

Lombard, IL $696\mathrm{.}47$

Westfield, IN $696\mathrm{.}11$

Longwood, FL $695\mathrm{.}65$

Fernandina Beach, FL $694\mathrm{.}73$

Portage, MI $694\mathrm{.}16$

League City, TX $694\mathrm{.}00$

Laguna Hills, CA $693\mathrm{.}65$

Valparaiso, IN $693\mathrm{.}50$

Toms River, NJ $693\mathrm{.}33$

Rockwall, TX $693\mathrm{.}15$

New Rochelle, NY $692\mathrm{.}99$

La Mirada, CA $692\mathrm{.}81$

New York, NY $692\mathrm{.}37$

Des Plaines, IL $691\mathrm{.}99$

Oak Harbor, WA $691\mathrm{.}59$

Antioch, IL $691\mathrm{.}05$

Cedar Park, TX $690\mathrm{.}90$

Rapid City, SD $690\mathrm{.}66$

Napa, CA $690\mathrm{.}49$

Montrose, CO $690\mathrm{.}31$

La Crosse, WI $690\mathrm{.}23$

Valley Stream, NY $690\mathrm{.}11$

Seattle, WA $689\mathrm{.}91$

West Mifflin, PA $689\mathrm{.}45$

Red Bank, NJ $689\mathrm{.}09$

Madison, WI $688\mathrm{.}60$

Winter Springs, FL $688\mathrm{.}30$

Cliffside Park, NJ $687\mathrm{.}86$

Newport, RI $687\mathrm{.}67$

Wailuku, HI $687\mathrm{.}62$

Lockport, IL $687\mathrm{.}51$

Berlin, MD $687\mathrm{.}34$

Alexandria, VA $687\mathrm{.}10$

Inverness, FL $686\mathrm{.}97$

Troy, OH $686\mathrm{.}65$

New Kensington, PA $686\mathrm{.}33$

West Springfield Town, MA $685\mathrm{.}94$

Marlborough, MA $685\mathrm{.}68$

Ozark, MO $685\mathrm{.}53$

Newark, CA $685\mathrm{.}38$

Miami Lakes, FL $685\mathrm{.}22$

Boynton Beach, FL $685\mathrm{.}08$

Delaware, OH $684\mathrm{.}85$

Richmond, TX $684\mathrm{.}80$

Spring, TX $684\mathrm{.}52$

Jonesborough, TN $684\mathrm{.}15$

Odenton, MD $683\mathrm{.}73$

Noblesville, IN $683\mathrm{.}51$

Palm Coast, FL $683\mathrm{.}25$

Wheeling, IL $683\mathrm{.}12$

La Mesa, CA $682\mathrm{.}97$